Move WebInputMethodControllerImpl to core/exported/ & break dependencies.

third_party/WebKit/Source/web/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/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
@@ skipping 129 matching lines @@
     "WebFrameSerializerImpl.h",
     "WebFrameWidgetImpl.cpp",
     "WebFrameWidgetImpl.h",
     "WebHelperPluginImpl.cpp",
     "WebHelperPluginImpl.h",
     "WebHitTestResult.cpp",
     "WebIDBKey.cpp",
     "WebIDBKeyRange.cpp",
     "WebInputElement.cpp",
     "WebInputEvent.cpp",
-    "WebInputMethodControllerImpl.cpp",
-    "WebInputMethodControllerImpl.h",
     "WebKit.cpp",
     "WebLabelElement.cpp",
     "WebLanguageDetectionDetails.cpp",
     "WebLeakDetector.cpp",
     "WebLocalFrameImpl.cpp",
     "WebLocalFrameImpl.h",
     "WebMediaDevicesRequest.cpp",
     "WebMetaElement.cpp",
     "WebNode.cpp",
     "WebOptionElement.cpp",
@@ skipping 224 matching lines @@
 
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/public/android:content_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }