Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/ui/views/frame/contents_container.h

 // Copyright (c) 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_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_
 
 #include "ui/views/view.h"
 
 namespace content {
@@ skipping 27 matching lines @@
 
   // Makes the preview view the active view and nulls out the old active view.
   // It's assumed the caller will delete or remove the old active view
   // separately.
   void MakePreviewContentsActiveContents();
 
   // Sets the preview view. This does not delete the old.
   void SetPreview(views::WebView* preview,
                   content::WebContents* preview_web_contents);
 
+  // Sets the desired height of the current preview view.
+  void SetPreviewHeight(int value, bool is_percent);
+
   content::WebContents* preview_web_contents() const {
     return preview_web_contents_;
   }
 
   // Sets the active top margin.
   void SetActiveTopMargin(int margin);
 
   // Returns the bounds of the preview. If the preview isn't active this
   // retuns the bounds the preview would be shown at.
   gfx::Rect GetPreviewBounds();
 
   // View overrides:
   virtual void Layout() OVERRIDE;
   virtual std::string GetClassName() const OVERRIDE;
 
  private:
   views::WebView* active_;
   views::View* overlay_;
   views::WebView* preview_;
   content::WebContents* preview_web_contents_;
 
   // The margin between the top and the active view. This is used to make the
   // preview overlap the bookmark bar on the new tab page.
   int active_top_margin_;
 
+  // The desired height of the preview. If negative or greater than height(),
+  // the preview will fill the container.
+  int preview_height_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_CONTAINER_H_