Add support initiating navigations/search requests in Chrome metro mode via a registered

chrome/browser/ui/views/frame/browser_frame_win.h

Index: chrome/browser/ui/views/frame/browser_frame_win.h
===================================================================
--- chrome/browser/ui/views/frame/browser_frame_win.h	(revision 133976)
+++ chrome/browser/ui/views/frame/browser_frame_win.h	(working copy)
@@ -61,6 +61,11 @@
   virtual int GetMinimizeButtonOffset() const OVERRIDE;
   virtual void TabStripDisplayModeChanged() OVERRIDE;
 
+  // Overridden from WindowImpl:
+  virtual LRESULT OnWndProc(UINT message,
+                            WPARAM w_param,
+                            LPARAM l_param) OVERRIDE;
+
  private:
   // Updates the DWM with the frame bounds.
   void UpdateDWMFrame();
@@ -72,6 +77,9 @@
   // Adds optional debug items for frame type toggling.
   void AddFrameToggleItems();
 
+  // Handles metro navigation search requests.
+  void HandleMetroRequest(WPARAM w_param, LPARAM l_param);
+
   // The BrowserView is our ClientView. This is a pointer to it.
   BrowserView* browser_view_;