Move GetDocument method from WebFrame to WebLocalFrame.

chrome/browser/extensions/tab_helper.h

Index: chrome/browser/extensions/tab_helper.h
diff --git a/chrome/browser/extensions/tab_helper.h b/chrome/browser/extensions/tab_helper.h
index c0df70eb3e5002f607eb385874f6986c613bdb64..be717830890d803e8a14e51058a30779cc3eb6e7 100644
--- a/chrome/browser/extensions/tab_helper.h
+++ b/chrome/browser/extensions/tab_helper.h
@@ -32,6 +32,10 @@
 #include "extensions/common/stack_frame.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
+namespace content {
+class RenderFrameHost;
+}
+
 namespace gfx {
 class Image;
 }
@@ -142,9 +146,8 @@ class TabHelper : public content::WebContentsObserver,
   void RenderFrameCreated(content::RenderFrameHost* host) override;
   void DidFinishNavigation(
       content::NavigationHandle* navigation_handle) override;
-  bool OnMessageReceived(const IPC::Message& message) override;
   bool OnMessageReceived(const IPC::Message& message,
-                         content::RenderFrameHost* render_frame_host) override;
+                         content::RenderFrameHost* sender) override;
   void DidCloneToNewWebContents(
       content::WebContents* old_web_contents,
       content::WebContents* new_web_contents) override;
@@ -166,7 +169,8 @@ class TabHelper : public content::WebContentsObserver,
       DoInlineInstallCallback callback) override;
 
   // Message handlers.
-  void OnDidGetWebApplicationInfo(const WebApplicationInfo& info);
+  void OnDidGetWebApplicationInfo(content::RenderFrameHost* sender,
+                                  const WebApplicationInfo& info);
   void OnGetAppInstallState(content::RenderFrameHost* host,
                             const GURL& requestor_url,
                             int return_route_id,