Towards moving guest management to chrome: Introduce GuestViewManager

content/browser/browser_plugin/browser_plugin_embedder.h

Index: content/browser/browser_plugin/browser_plugin_embedder.h
diff --git a/content/browser/browser_plugin/browser_plugin_embedder.h b/content/browser/browser_plugin/browser_plugin_embedder.h
index e153a4df79af4261254b35a25c6d26489f907092..bce57a3094070b725604377d074e3584f2124bef 100644
--- a/content/browser/browser_plugin/browser_plugin_embedder.h
+++ b/content/browser/browser_plugin/browser_plugin_embedder.h
@@ -45,7 +45,7 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
   static BrowserPluginEmbedder* Create(WebContentsImpl* web_contents);
 
   // Returns this embedder's WebContentsImpl.
-  WebContentsImpl* GetWebContents();
+  WebContentsImpl* GetWebContents() const;
 
   // Called when embedder's |rwh| has sent screen rects to renderer.
   void DidSendScreenRects();
@@ -86,9 +86,9 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
  private:
   friend class TestBrowserPluginEmbedder;
 
-  BrowserPluginEmbedder(WebContentsImpl* web_contents);
+  explicit BrowserPluginEmbedder(WebContentsImpl* web_contents);
 
-  BrowserPluginGuestManager* GetBrowserPluginGuestManager();
+  BrowserPluginGuestManager* GetBrowserPluginGuestManager() const;
 
   bool DidSendScreenRectsCallback(BrowserPluginGuest* guest);
 
@@ -121,6 +121,8 @@ class CONTENT_EXPORT BrowserPluginEmbedder : public WebContentsObserver {
   // status messages to the correct guest.
   base::WeakPtr<BrowserPluginGuest> guest_started_drag_;
 
+  base::WeakPtrFactory<BrowserPluginEmbedder> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder);
 };