Add new IPC for searchbox to pipe SearchBox NavigateContentWindow calls to the browser.

chrome/renderer/searchbox/searchbox.h

Index: chrome/renderer/searchbox/searchbox.h
diff --git a/chrome/renderer/searchbox/searchbox.h b/chrome/renderer/searchbox/searchbox.h
index 351316c6c94c93a49d9c0c17ebb742fffe76f053..36f1932fa48f2905ccc841a4b796b3f6c3931ca9 100644
--- a/chrome/renderer/searchbox/searchbox.h
+++ b/chrome/renderer/searchbox/searchbox.h
@@ -11,6 +11,7 @@
 #include "base/string16.h"
 #include "chrome/common/instant_types.h"
 #include "chrome/common/search_types.h"
+#include "content/public/common/page_transition_types.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "content/public/renderer/render_view_observer_tracker.h"
 #include "ui/gfx/rect.h"
@@ -25,20 +26,23 @@ class SearchBox : public content::RenderViewObserver,
   explicit SearchBox(content::RenderView* render_view);
   virtual ~SearchBox();
 
-  // Sends ViewHostMsg_SetSuggestions to the browser.
+  // Sends ChromeViewHostMsg_SetSuggestions to the browser.
   void SetSuggestions(const std::vector<InstantSuggestion>& suggestions);
 
-  // Sends ViewHostMsg_ShowInstantPreview to the browser.
+  // Sends ChromeViewHostMsg_ShowInstantPreview to the browser.
   void ShowInstantPreview(InstantShownReason reason,
                           int height,
                           InstantSizeUnits units);
 
-  // Sends ViewHostMsg_StartCapturingKeyStrokes to the browser.
+  // Sends ChromeViewHostMsg_StartCapturingKeyStrokes to the browser.
   void StartCapturingKeyStrokes();
 
-  // Sends ViewHostMsg_StopCapturingKeyStrokes to the browser.
+  // Sends ChromeViewHostMsg_StopCapturingKeyStrokes to the browser.
   void StopCapturingKeyStrokes();
 
+  // Send ChromeViewHostMsg_SearchBoxNavigate to the browser.
+  void NavigateToURL(const GURL& url, content::PageTransition transition);
+
   const string16& query() const { return query_; }
   bool verbatim() const { return verbatim_; }
   size_t selection_start() const { return selection_start_; }