[Mac] Factor out keyboard shortcut handling from ChromeEventProcessingWindow.

ui/views/controls/webview/webview.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 UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 #define UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/render_process_host_observer.h"
@@ skipping 103 matching lines @@
   gfx::NativeViewAccessible GetNativeViewAccessible() override;
   gfx::Size GetPreferredSize() const override;
 
   // Overridden from content::RenderProcessHostObserver:
   void RenderProcessExited(content::RenderProcessHost* host,
                            base::TerminationStatus status,
                            int exit_code) override;
   void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
 
   // Overridden from content::WebContentsDelegate:
+  void HandleKeyboardEvent(
+      content::WebContents* source,
+      const content::NativeWebKeyboardEvent& event) override;
   bool EmbedsFullscreenWidget() const override;
 
   // Overridden from content::WebContentsObserver:
   void RenderViewReady() override;
   void RenderViewDeleted(content::RenderViewHost* render_view_host) override;
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;
   void WebContentsDestroyed() override;
   void DidShowFullscreenWidget(int routing_id) override;
   void DidDestroyFullscreenWidget(int routing_id) override;
@@ skipping 37 matching lines @@
   content::BrowserContext* browser_context_;
   bool allow_accelerators_;
   gfx::Size preferred_size_;
 
   DISALLOW_COPY_AND_ASSIGN(WebView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_