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

third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp

 // 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.
 
 #include "web/WebRemoteFrameImpl.h"
 
 #include "bindings/core/v8/WindowProxy.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/RemoteSecurityContext.h"
 #include "core/dom/SecurityContext.h"
@@ skipping 198 matching lines @@
 
 void WebRemoteFrameImpl::LoadRequest(const WebURLRequest&) {
   NOTREACHED();
 }
 
 void WebRemoteFrameImpl::StopLoading() {
   // TODO(dcheng,japhet): Calling this method should stop loads
   // in all subframes, both remote and local.
 }
 
-WebDataSource* WebRemoteFrameImpl::ProvisionalDataSource() const {
-  NOTREACHED();
-  return nullptr;
-}
-
-WebDataSource* WebRemoteFrameImpl::DataSource() const {
-  NOTREACHED();
-  return nullptr;
-}
-
 void WebRemoteFrameImpl::EnableViewSourceMode(bool enable) {
   NOTREACHED();
 }
 
 bool WebRemoteFrameImpl::IsViewSourceModeEnabled() const {
   NOTREACHED();
   return false;
 }
 
 void WebRemoteFrameImpl::SetReferrerForRequest(WebURLRequest&,
@@ skipping 265 matching lines @@
 }
 
 WebRemoteFrameImpl::WebRemoteFrameImpl(WebTreeScopeType scope,
                                        WebRemoteFrameClient* client)
     : WebRemoteFrameBase(scope),
       frame_client_(RemoteFrameClientImpl::Create(this)),
       client_(client),
       self_keep_alive_(this) {}
 
 }  // namespace blink