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

third_party/WebKit/public/web/WebLocalFrame.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 WebLocalFrame_h
 #define WebLocalFrame_h
 
 #include <set>
 #include "WebCompositionUnderline.h"
 #include "WebFrame.h"
 #include "WebFrameLoadType.h"
 #include "WebHistoryItem.h"
 #include "public/platform/WebCachePolicy.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/site_engagement.mojom-shared.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace blink {
 
 class InterfaceProvider;
 class InterfaceRegistry;
 class WebAutofillClient;
 class WebContentSettingsClient;
 class WebData;
+class WebDataSource;
 class WebDevToolsAgent;
 class WebDevToolsAgentClient;
 class WebDoubleSize;
 class WebFrameClient;
 class WebFrameWidget;
 class WebInputMethodController;
 class WebRange;
 class WebScriptExecutionCallback;
 class WebSharedWorkerRepositoryClient;
 class WebTextCheckClient;
@@ skipping 132 matching lines @@
                         const WebString& mime_type,
                         const WebString& text_encoding,
                         const WebURL& base_url,
                         const WebURL& unreachable_url = WebURL(),
                         bool replace = false,
                         WebFrameLoadType = WebFrameLoadType::kStandard,
                         const WebHistoryItem& = WebHistoryItem(),
                         WebHistoryLoadType = kWebHistoryDifferentDocumentLoad,
                         bool is_client_redirect = false) = 0;
 
+  // Returns the data source that is currently loading.  May be null.
+  virtual WebDataSource* ProvisionalDataSource() const = 0;
+
+  // Returns the data source that is currently loaded.
+  virtual WebDataSource* DataSource() const = 0;
+
   enum FallbackContentResult {
     // An error page should be shown instead of fallback.
     NoFallbackContent,
     // Something else committed, no fallback content or error page needed.
     NoLoadInProgress,
     // Fallback content rendered, no error page needed.
     FallbackRendered
   };
   // On load failure, attempts to make frame's parent render fallback content.
   virtual FallbackContentResult MaybeRenderFallbackContent(
@@ skipping 406 matching lines @@
   // to call these on a WebLocalFrame.
   bool IsWebLocalFrame() const override = 0;
   WebLocalFrame* ToWebLocalFrame() override = 0;
   bool IsWebRemoteFrame() const override = 0;
   WebRemoteFrame* ToWebRemoteFrame() override = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebLocalFrame_h