Implement the Instant extended API startMargin, endMargin, and rtl properties and the onmarginchang…

chrome/browser/instant/instant_tab.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_INSTANT_INSTANT_TAB_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_TAB_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 25 matching lines @@
 
   // Calls through to methods of the same name on InstantClient.
   void Update(const string16& text,
               size_t selection_start,
               size_t selection_end,
               bool verbatim);
   void Submit(const string16& text);
   void SendAutocompleteResults(
       const std::vector<InstantAutocompleteResult>& results);
   void UpOrDownKeyPressed(int count);
+  void SetMarginSize(int start, int end);
 
  private:
   // Overridden from InstantClient::Delegate:
   virtual void SetSuggestions(
       const std::vector<InstantSuggestion>& suggestions) OVERRIDE;
   virtual void InstantSupportDetermined(bool supports_instant) OVERRIDE;
   virtual void ShowInstantPreview(InstantShownReason reason,
                                   int height,
                                   InstantSizeUnits units) OVERRIDE;
   virtual void StartCapturingKeyStrokes() OVERRIDE;
   virtual void StopCapturingKeyStrokes() OVERRIDE;
 
   InstantClient client_;
   InstantController* const controller_;
   content::WebContents* const contents_;
   bool supports_instant_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantTab);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_TAB_H_