Propagate pageScaleFactor to GuestViews

content/browser/web_contents/web_contents_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 331 matching lines @@
   RendererPreferences* GetMutableRendererPrefs() override;
   void Close() override;
   void SystemDragEnded() override;
   void UserGestureDone() override;
   void SetClosedByUserGesture(bool value) override;
   bool GetClosedByUserGesture() const override;
   void ViewSource() override;
   void ViewFrameSource(const GURL& url, const PageState& page_state) override;
   int GetMinimumZoomPercent() const override;
   int GetMaximumZoomPercent() const override;
-  void ResetPageScale() override;
+  void SetPageScale(float page_scale_factor) override;
   gfx::Size GetPreferredSize() const override;
   bool GotResponseToLockMouseRequest(bool allowed) override;
   bool HasOpener() const override;
   WebContentsImpl* GetOpener() const override;
   void DidChooseColorInColorChooser(SkColor color) override;
   void DidEndColorChooser() override;
   int DownloadImage(const GURL& url,
                     bool is_favicon,
                     uint32_t max_bitmap_size,
                     bool bypass_cache,
@@ skipping 460 matching lines @@
                                         const std::string& mime_type,
                                         ResourceType resource_type);
   void OnDidDisplayInsecureContent();
   void OnDidRunInsecureContent(const std::string& security_origin,
                                const GURL& target_url);
   void OnDocumentLoadedInFrame();
   void OnDidFinishLoad(const GURL& url);
   void OnGoToEntryAtOffset(int offset);
   void OnUpdateZoomLimits(int minimum_percent,
                           int maximum_percent);
+  void OnPageScaleFactorChanged(float page_scale_factor);
   void OnEnumerateDirectory(int request_id, const base::FilePath& path);
 
   void OnRegisterProtocolHandler(const std::string& protocol,
                                  const GURL& url,
                                  const base::string16& title,
                                  bool user_gesture);
   void OnUnregisterProtocolHandler(const std::string& protocol,
                                    const GURL& url,
                                    bool user_gesture);
   void OnFindReply(int request_id,
@@ skipping 460 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
   // Manages all the media player and CDM managers and forwards IPCs to them.
   scoped_ptr<MediaWebContentsObserver> media_web_contents_observer_;
 #endif
 
   scoped_ptr<RenderWidgetHostInputEventRouter> rwh_input_event_router_;
 
   PageImportanceSignals page_importance_signals_;
 
+  bool page_scale_factor_is_one_;
+
   base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 // Dangerous methods which should never be made part of the public API, so we
 // grant their use only to an explicit friend list (c++ attorney/client idiom).
 class CONTENT_EXPORT WebContentsImpl::FriendZone {
  private:
   friend class TestNavigationObserver;
   friend class WebContentsAddedObserver;
   friend class ContentBrowserSanityChecker;
 
   FriendZone();  // Not instantiable.
 
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_