Move [Provisional]DataSource accessors/methods from WebFrame to WebLocalFrame.

third_party/WebKit/Source/web/WebRemoteFrameImpl.h

 // 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.
 
 #ifndef WebRemoteFrameImpl_h
 #define WebRemoteFrameImpl_h
 
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/WebRemoteFrameBase.h"
 #include "platform/heap/SelfKeepAlive.h"
@@ skipping 54 matching lines @@
       v8::Local<v8::Function>,
       v8::Local<v8::Value>,
       int argc,
       v8::Local<v8::Value> argv[]) override;
   v8::Local<v8::Context> MainWorldScriptContext() const override;
   void Reload(WebFrameLoadType) override;
   void ReloadWithOverrideURL(const WebURL& override_url,
                              WebFrameLoadType) override;
   void LoadRequest(const WebURLRequest&) override;
   void StopLoading() override;
-  WebDataSource* ProvisionalDataSource() const override;
-  WebDataSource* DataSource() const override;
   void EnableViewSourceMode(bool enable) override;
   bool IsViewSourceModeEnabled() const override;
   void SetReferrerForRequest(WebURLRequest&, const WebURL& referrer) override;
   WebAssociatedURLLoader* CreateAssociatedURLLoader(
       const WebAssociatedURLLoaderOptions&) override;
   unsigned UnloadListenerCount() const override;
   int PrintBegin(const WebPrintParams&,
                  const WebNode& constrain_to_node) override;
   float PrintPage(int page_to_print, WebCanvas*) override;
   float GetPrintPageShrink(int page) override;
@@ skipping 81 matching lines @@
 
 DEFINE_TYPE_CASTS(WebRemoteFrameImpl,
                   WebFrame,
                   frame,
                   frame->IsWebRemoteFrame(),
                   frame.IsWebRemoteFrame());
 
 }  // namespace blink
 
 #endif  // WebRemoteFrameImpl_h