Move tonic into //flutter/third_party.

Tonic used to be used by multiple consumers outside of Flutter Engine. Due to
this, it has an unnecessary abstraction layer as well as utilities duplicated in
FML and other engine subsystems. The sole user of Tonic is now the Flutter
Engine. It is intended that the Flutter Engine team now owns this subsystem,
remove unnecessary utilities and document the headers. This is the first step in
the transition. No history is being imported as the initial history was already
lost in the transition of this component to fuchsia.googlesource. As this
component was unmaintained there, I could see no additional value in importing
the history of the patches there.

No functional change. Just moved the repo from //third_party to
//flutter/third_party and updates GN refs.

Author: chinmaygarde

DEPS

@@ -145,9 +145,6 @@ deps = {
    # build. Eventually, we'll manage these dependencies together with Fuchsia
    # and not have to specific specific hashes.
 
-  'src/third_party/tonic':
-   Var('fuchsia_git') + '/tonic' + '@' + '1a8ed9be2e2b56b32e888266d6db465d36012df4',
-
   'src/third_party/benchmark':
    Var('fuchsia_git') + '/third_party/benchmark' + '@' + 'a779ffce872b4c811beef482e18bd0b63626aa42',
 

ci/licenses_golden/licenses_flutter

@@ -1497,4 +1497,98 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ====================================================================================================
-Total license count: 2
+
+====================================================================================================
+LIBRARY: tonic
+ORIGIN: ../../../flutter/third_party/tonic/LICENSE
+TYPE: LicenseType.bsd
+FILE: ../../../flutter/third_party/tonic/common/build_config.h
+FILE: ../../../flutter/third_party/tonic/common/log.cc
+FILE: ../../../flutter/third_party/tonic/common/log.h
+FILE: ../../../flutter/third_party/tonic/common/macros.h
+FILE: ../../../flutter/third_party/tonic/converter/dart_converter.cc
+FILE: ../../../flutter/third_party/tonic/converter/dart_converter.h
+FILE: ../../../flutter/third_party/tonic/dart_args.h
+FILE: ../../../flutter/third_party/tonic/dart_binding_macros.h
+FILE: ../../../flutter/third_party/tonic/dart_class_library.cc
+FILE: ../../../flutter/third_party/tonic/dart_class_library.h
+FILE: ../../../flutter/third_party/tonic/dart_class_provider.cc
+FILE: ../../../flutter/third_party/tonic/dart_class_provider.h
+FILE: ../../../flutter/third_party/tonic/dart_library_natives.cc
+FILE: ../../../flutter/third_party/tonic/dart_library_natives.h
+FILE: ../../../flutter/third_party/tonic/dart_list.cc
+FILE: ../../../flutter/third_party/tonic/dart_list.h
+FILE: ../../../flutter/third_party/tonic/dart_message_handler.cc
+FILE: ../../../flutter/third_party/tonic/dart_message_handler.h
+FILE: ../../../flutter/third_party/tonic/dart_microtask_queue.cc
+FILE: ../../../flutter/third_party/tonic/dart_microtask_queue.h
+FILE: ../../../flutter/third_party/tonic/dart_persistent_value.cc
+FILE: ../../../flutter/third_party/tonic/dart_persistent_value.h
+FILE: ../../../flutter/third_party/tonic/dart_state.cc
+FILE: ../../../flutter/third_party/tonic/dart_state.h
+FILE: ../../../flutter/third_party/tonic/dart_wrappable.cc
+FILE: ../../../flutter/third_party/tonic/dart_wrappable.h
+FILE: ../../../flutter/third_party/tonic/dart_wrapper_info.h
+FILE: ../../../flutter/third_party/tonic/file_loader/file_loader.cc
+FILE: ../../../flutter/third_party/tonic/file_loader/file_loader.h
+FILE: ../../../flutter/third_party/tonic/file_loader/file_loader_fuchsia.cc
+FILE: ../../../flutter/third_party/tonic/file_loader/file_loader_posix.cc
+FILE: ../../../flutter/third_party/tonic/file_loader/file_loader_win.cc
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/eintr_wrapper.h
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/file.cc
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/file.h
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/path.h
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/path_posix.cc
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/path_win.cc
+FILE: ../../../flutter/third_party/tonic/filesystem/filesystem/portable_unistd.h
+FILE: ../../../flutter/third_party/tonic/logging/dart_error.cc
+FILE: ../../../flutter/third_party/tonic/logging/dart_error.h
+FILE: ../../../flutter/third_party/tonic/logging/dart_invoke.cc
+FILE: ../../../flutter/third_party/tonic/logging/dart_invoke.h
+FILE: ../../../flutter/third_party/tonic/parsers/packages_map.cc
+FILE: ../../../flutter/third_party/tonic/parsers/packages_map.h
+FILE: ../../../flutter/third_party/tonic/platform/platform_utils.h
+FILE: ../../../flutter/third_party/tonic/platform/platform_utils_posix.cc
+FILE: ../../../flutter/third_party/tonic/platform/platform_utils_win.cc
+FILE: ../../../flutter/third_party/tonic/scopes/dart_api_scope.h
+FILE: ../../../flutter/third_party/tonic/scopes/dart_isolate_scope.cc
+FILE: ../../../flutter/third_party/tonic/scopes/dart_isolate_scope.h
+FILE: ../../../flutter/third_party/tonic/typed_data/dart_byte_data.cc
+FILE: ../../../flutter/third_party/tonic/typed_data/dart_byte_data.h
+FILE: ../../../flutter/third_party/tonic/typed_data/float32_list.h
+FILE: ../../../flutter/third_party/tonic/typed_data/float64_list.h
+FILE: ../../../flutter/third_party/tonic/typed_data/int32_list.h
+FILE: ../../../flutter/third_party/tonic/typed_data/typed_list.cc
+FILE: ../../../flutter/third_party/tonic/typed_data/typed_list.h
+FILE: ../../../flutter/third_party/tonic/typed_data/uint16_list.h
+FILE: ../../../flutter/third_party/tonic/typed_data/uint8_list.h
+----------------------------------------------------------------------------------------------------
+Copyright 2013 The Flutter Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+====================================================================================================
+Total license count: 3