linux_aura: Port GtkKeybindingsHandler to Aura.

content/browser/renderer_host/render_widget_host_view_aura.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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 507 matching lines @@
   static void ReturnSubscriberTexture(
       base::WeakPtr<RenderWidgetHostViewAura> rwhva,
       scoped_refptr<OwnedMailbox> subscriber_texture,
       uint32 sync_point);
 
   ui::Compositor* GetCompositor() const;
 
   // Detaches |this| from the input method object.
   void DetachFromInputMethod();
 
+  // Before calling RenderWidgetHost::ForwardKeyboardEvent(), this method
+  // calls our keybindings handler against the event and send matched
+  // edit commands to renderer instead.
+  void ForwardKeyboardEvent(const NativeWebKeyboardEvent& event);
+
   // Dismisses a Web Popup on a mouse or touch press outside the popup and its
   // parent.
   void ApplyEventFilterForPopupExit(ui::LocatedEvent* event);
 
   // Converts |rect| from window coordinate to screen coordinate.
   gfx::Rect ConvertRectToScreen(const gfx::Rect& rect) const;
 
   // Converts |rect| from screen coordinate to window coordinate.
   gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const;
 
@@ skipping 263 matching lines @@
   // etc.
   scoped_ptr<content::LegacyRenderWidgetHostHWND>
       legacy_render_widget_host_HWND_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_