Move MessagePort implementation from android_webview to content

content/public/android/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 
 android_aidl("common_aidl") {
   interface_file = "java/src/org/chromium/content/common/common.aidl"
   import_include = "java/src"
@@ skipping 82 matching lines @@
     "java/src/org/chromium/content/app/SandboxedProcessService18.java",
     "java/src/org/chromium/content/app/SandboxedProcessService19.java",
     "java/src/org/chromium/content/app/SandboxedProcessService2.java",
     "java/src/org/chromium/content/app/SandboxedProcessService3.java",
     "java/src/org/chromium/content/app/SandboxedProcessService4.java",
     "java/src/org/chromium/content/app/SandboxedProcessService5.java",
     "java/src/org/chromium/content/app/SandboxedProcessService6.java",
     "java/src/org/chromium/content/app/SandboxedProcessService7.java",
     "java/src/org/chromium/content/app/SandboxedProcessService8.java",
     "java/src/org/chromium/content/app/SandboxedProcessService9.java",
+    "java/src/org/chromium/content/browser/AppWebMessagePort.java",
+    "java/src/org/chromium/content/browser/AppWebMessagePortService.java",
     "java/src/org/chromium/content/browser/ActivityContentVideoViewEmbedder.java",
     "java/src/org/chromium/content/browser/BackgroundSyncNetworkObserver.java",
     "java/src/org/chromium/content/browser/BindingManager.java",
     "java/src/org/chromium/content/browser/BindingManagerImpl.java",
     "java/src/org/chromium/content/browser/BrowserStartupController.java",
     "java/src/org/chromium/content/browser/ChildProcessConnection.java",
     "java/src/org/chromium/content/browser/ChildProcessConnectionImpl.java",
     "java/src/org/chromium/content/browser/ChildProcessConstants.java",
     "java/src/org/chromium/content/browser/ChildProcessCreationParams.java",
     "java/src/org/chromium/content/browser/ChildProcessLauncher.java",
@@ skipping 16 matching lines @@
     "java/src/org/chromium/content/browser/JavascriptInterface.java",
     "java/src/org/chromium/content/browser/MediaResourceGetter.java",
     "java/src/org/chromium/content/browser/MediaSessionDelegate.java",
     "java/src/org/chromium/content/browser/MediaThrottler.java",
     "java/src/org/chromium/content/browser/MemoryMonitorAndroid.java",
     "java/src/org/chromium/content/browser/MotionEventSynthesizer.java",
     "java/src/org/chromium/content/browser/OverscrollRefreshHandler.java",
     "java/src/org/chromium/content/browser/PepperPluginManager.java",
     "java/src/org/chromium/content/browser/PopupZoomer.java",
     "java/src/org/chromium/content/browser/PositionObserver.java",
+    "java/src/org/chromium/content/browser/PostMessageSender.java",
     "java/src/org/chromium/content/browser/RenderCoordinates.java",
     "java/src/org/chromium/content/browser/SPenSupport.java",
     "java/src/org/chromium/content/browser/ScreenOrientationListener.java",
     "java/src/org/chromium/content/browser/ScreenOrientationProvider.java",
     "java/src/org/chromium/content/browser/SmartClipProvider.java",
     "java/src/org/chromium/content/browser/SpeechRecognition.java",
     "java/src/org/chromium/content/browser/TracingControllerAndroid.java",
     "java/src/org/chromium/content/browser/ViewPositionObserver.java",
     "java/src/org/chromium/content/browser/WebActionMode.java",
     "java/src/org/chromium/content/browser/WebActionModeCallback.java",
@@ skipping 136 matching lines @@
     "java/util/HashSet.class",
     "android/view/DragEvent.class",
     "android/view/MotionEvent.class",
   ]
 }
 
 generate_jni("content_jni_headers") {
   sources = [
     "java/src/org/chromium/content/app/ChildProcessServiceImpl.java",
     "java/src/org/chromium/content/app/ContentMain.java",
+    "java/src/org/chromium/content/browser/AppWebMessagePortService.java",
     "java/src/org/chromium/content/browser/BackgroundSyncNetworkObserver.java",
     "java/src/org/chromium/content/browser/BrowserStartupController.java",
     "java/src/org/chromium/content/browser/ChildProcessLauncher.java",
     "java/src/org/chromium/content/browser/ContentVideoView.java",
     "java/src/org/chromium/content/browser/ContentViewCore.java",
     "java/src/org/chromium/content/browser/ContentViewRenderView.java",
     "java/src/org/chromium/content/browser/ContentViewStatics.java",
     "java/src/org/chromium/content/browser/DeviceSensors.java",
     "java/src/org/chromium/content/browser/InterfaceProvider.java",
     "java/src/org/chromium/content/browser/InterfaceRegistrar.java",
@@ skipping 131 matching lines @@
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionFactoryTest.java",
     "junit/src/org/chromium/content/browser/input/ThreadedInputConnectionTest.java",
     "junit/src/org/chromium/content/browser/BindingManagerImplTest.java",
   ]
   deps = [
     ":content_java",
     "//base:base_java",
     "//base:base_java_test_support",
   ]
 }