Adds paste function to searchbox api and handles paste event on fakebox

chrome/browser/ui/search/instant_page.h

Index: chrome/browser/ui/search/instant_page.h
diff --git a/chrome/browser/ui/search/instant_page.h b/chrome/browser/ui/search/instant_page.h
index efd42b33b8f409f3d61b6dbb60c9ff6e448218e3..474c0f6ce7ff1494c7072e0d4b5fb08c4d4558a0 100644
--- a/chrome/browser/ui/search/instant_page.h
+++ b/chrome/browser/ui/search/instant_page.h
@@ -72,6 +72,9 @@ class InstantPage : public content::WebContentsObserver,
                                WindowOpenDisposition disposition,
                                bool is_search_type) = 0;
 
+    // Called when the page wants to paste into the omnibox.
+    virtual void PasteIntoOmnibox(const content::WebContents* contents) = 0;
+
     // Called when the SearchBox wants to delete a Most Visited item.
     virtual void DeleteMostVisitedItem(const GURL& url) = 0;
 
@@ -133,6 +136,7 @@ class InstantPage : public content::WebContentsObserver,
   virtual bool ShouldProcessAboutToNavigateMainFrame();
   virtual bool ShouldProcessFocusOmnibox();
   virtual bool ShouldProcessNavigateToURL();
+  virtual bool ShouldProcessPasteIntoOmnibox();
   virtual bool ShouldProcessDeleteMostVisitedItem();
   virtual bool ShouldProcessUndoMostVisitedDeletion();
   virtual bool ShouldProcessUndoAllMostVisitedDeletions();
@@ -188,6 +192,7 @@ class InstantPage : public content::WebContentsObserver,
                            content::PageTransition transition,
                            WindowOpenDisposition disposition,
                            bool is_search_type);
+  void OnSearchBoxPaste(int page_id);
   void OnCountMouseover(int page_id);
   void OnDeleteMostVisitedItem(int page_id, const GURL& url);
   void OnUndoMostVisitedDeletion(int page_id, const GURL& url);