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

chrome/browser/instant/instant_client.h

Index: chrome/browser/instant/instant_client.h
diff --git a/chrome/browser/instant/instant_client.h b/chrome/browser/instant/instant_client.h
index 95ab9096d75d298fdc9736ea61838e03d824cad0..88f3eaf8565fddfece6a69185efa32cf2f221728 100644
--- a/chrome/browser/instant/instant_client.h
+++ b/chrome/browser/instant/instant_client.h
@@ -58,6 +58,10 @@ class InstantClient : public content::WebContentsObserver {
     // strokes.
     virtual void StopCapturingKeyStrokes() = 0;
 
+    // Called when the SearchBox wants to commit the page and navigate to the
+    // specified URL.
+    virtual void NavigateToURL(const GURL& url) = 0;
+
    protected:
     virtual ~Delegate();
   };
@@ -133,6 +137,7 @@ class InstantClient : public content::WebContentsObserver {
                           InstantSizeUnits units);
   void StartCapturingKeyStrokes(int page_id);
   void StopCapturingKeyStrokes(int page_id);
+  void SearchBoxNavigate(int page_id, const GURL& url);

[samarth, 2012/12/07 02:01:35]

nit: keep the same name as in the Delegate, i.e. NavigateToURL

[Shishir, 2012/12/10 20:40:39]

This name is consistent with the IPC name which is how functions called as a
result of IPCs are usually named.

 
   Delegate* const delegate_;