Move WebDataSourceImpl from web/ -> core/exported/.

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 122 matching lines @@
     "WebArrayBufferView.cpp",
     "WebCSSParser.cpp",
     "WebColorSuggestion.cpp",
     "WebCryptoNormalize.cpp",
     "WebCustomElement.cpp",
     "WebDOMActivityLogger.cpp",
     "WebDOMEvent.cpp",
     "WebDOMFileSystem.cpp",
     "WebDOMMediaStreamTrack.cpp",
     "WebDOMMessageEvent.cpp",
-    "WebDataSourceImpl.cpp",
-    "WebDataSourceImpl.h",
     "WebDatabase.cpp",
     "WebDateTimeSuggestion.cpp",
     "WebDevToolsAgentImpl.cpp",
     "WebDevToolsAgentImpl.h",
     "WebDevToolsFrontendImpl.cpp",
     "WebDevToolsFrontendImpl.h",
     "WebDocument.cpp",
     "WebElement.cpp",
     "WebElementCollection.cpp",
     "WebEmbeddedWorkerImpl.cpp",
@@ skipping 282 matching lines @@
 
   if (is_android) {
     deps += [
       "//base:base_java",
       "//content/public/android:content_java",
       "//content/shell/android:content_shell_assets",
       "//net/android:net_java",
     ]
   }
 }