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

chrome/browser/ui/browser_instant_controller.h

Index: chrome/browser/ui/browser_instant_controller.h
diff --git a/chrome/browser/ui/browser_instant_controller.h b/chrome/browser/ui/browser_instant_controller.h
index 0d99aaab1aa6c9256552044bdbcc1b7d1f82a4c1..bae450065f9f2986a9e303fa3bf995761d9a0bd7 100644
--- a/chrome/browser/ui/browser_instant_controller.h
+++ b/chrome/browser/ui/browser_instant_controller.h
@@ -55,9 +55,9 @@ class BrowserInstantController : public SearchModelObserver {
   // this BrowserInstantController.
   InstantController* instant() { return &instant_; }
 
-  // Invoked by |instant_| to give the omnibox focus, with the option of making
-  // the caret invisible.
-  void FocusOmnibox(bool caret_visibility);
+  // Invoked by |instant_| to change the omnibox focus.
+  void FocusOmnibox(const content::WebContents* contents,
+                    OmniboxFocusState state);
 
   // Invoked by |instant_| to get the currently active tab.
   content::WebContents* GetActiveWebContents() const;
@@ -73,6 +73,10 @@ class BrowserInstantController : public SearchModelObserver {
                content::PageTransition transition,
                WindowOpenDisposition disposition);
 
+  // Invoked by |instant_| to paste the clipboard content into the omnibox.
+  // It will set focus to the omnibox if the omnibox is not focused.
+  void PasteIntoOmnibox();
+
   // Sets the stored omnibox bounds.
   void SetOmniboxBounds(const gfx::Rect& bounds);