<webview>: Implement fullscreen permission for html5 element.requestFullscreen()

extensions/browser/guest_view/guest_view_base.h

Index: extensions/browser/guest_view/guest_view_base.h
diff --git a/extensions/browser/guest_view/guest_view_base.h b/extensions/browser/guest_view/guest_view_base.h
index 231275f9cc1a7b499edb2cdb5494611222914e7a..a1bcc9c4012d936395ab184a8b73fdad03da8f34 100644
--- a/extensions/browser/guest_view/guest_view_base.h
+++ b/extensions/browser/guest_view/guest_view_base.h
@@ -124,6 +124,12 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
   // work.
   virtual void GuestReady() {}
 
+  // This method is called when emebedder WebContents's fullscreen is toggled.

[Fady Samuel, 2015/03/13 01:43:06]

typo: embedder.

[lazyboy, 2015/03/13 16:27:02]

Done.

+  //
+  // If the guest asked the embedder to go fullscreen, guests use this signal to
+  // get out of fullscreen state.
+  virtual void EmbedderFullscreenToggled(bool entered_fullscreen) {}
+
   // This method is invoked when the contents auto-resized to give the container
   // an opportunity to match it if it wishes.
   //
@@ -347,7 +353,7 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
   void UpdateTargetURL(content::WebContents* source, const GURL& url) override;
 
  private:
-  class OwnerLifetimeObserver;
+  class OwnerContentsObserver;
 
   class OpenerLifetimeObserver;
 
@@ -414,7 +420,7 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
 
   // This observer ensures that this guest self-destructs if the embedder goes
   // away.
-  scoped_ptr<OwnerLifetimeObserver> owner_lifetime_observer_;
+  scoped_ptr<OwnerContentsObserver> owner_contents_observer_;
 
   // This observer ensures that if the guest is unattached and its opener goes
   // away then this guest also self-destructs.