Use RenderWidget(Host) for full screen

chrome/browser/renderer_host/render_widget_host_view_gtk.h

Index: chrome/browser/renderer_host/render_widget_host_view_gtk.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view_gtk.h b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
index d8d29fee45baf460175aca80430739d366ed2b9f..099da460427b9e7fc940889c35e7e7499a8fa24c 100644
--- a/chrome/browser/renderer_host/render_widget_host_view_gtk.h
+++ b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
@@ -52,6 +52,7 @@ class RenderWidgetHostViewGtk : public RenderWidgetHostView {
   // RenderWidgetHostView implementation.
   virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
                            const gfx::Rect& pos);
+  virtual void InitAsFullscreen(RenderWidgetHostView* parent_host_view);
   virtual RenderWidgetHost* GetRenderWidgetHost() const { return host_; }
   virtual void DidBecomeSelected();
   virtual void WasHidden();
@@ -124,6 +125,13 @@ class RenderWidgetHostViewGtk : public RenderWidgetHostView {
   // Update the display cursor for the render view.
   void ShowCurrentCursor();
 
+  // Helper method for InitAsPopup() and InitAsFullscreen().
+  void DoInitAsPopup(
+      RenderWidgetHostView* parent_host_view,
+      GtkWindowType window_type,
+      const gfx::Rect& pos,  // Ignored if is_fullscreen is true.
+      bool is_fullscreen);
+
   // The model object.
   RenderWidgetHost* host_;