Hook up SetInstantPreviewHeight for ChromeOS.

chrome/browser/ui/browser_instant_controller.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_BROWSER_INSTANT_CONTROLLER_H_
 #define CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 32 matching lines @@
   // Commits the current Instant, returning true on success. This is intended
   // for use from OpenCurrentURL.
   bool OpenInstant(WindowOpenDisposition disposition);
 
   // Returns the InstantController or NULL if there is no InstantController for
   // this BrowserInstantController.
   InstantController* instant() const { return instant_.get(); }
 
  private:
   // Overridden from InstantControllerDelegate:
-  virtual void ShowInstant() OVERRIDE;
+  virtual void ShowInstant(int height, InstantSizeUnits units) OVERRIDE;
   virtual void HideInstant() OVERRIDE;
   virtual void CommitInstant(TabContents* preview) OVERRIDE;
   virtual void SetSuggestedText(const string16& text,
                                 InstantCompleteBehavior behavior) OVERRIDE;
   virtual gfx::Rect GetInstantBounds() OVERRIDE;
   virtual void InstantPreviewFocused() OVERRIDE;
   virtual TabContents* GetActiveTabContents() const OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
@@ skipping 13 matching lines @@
   scoped_ptr<InstantUnloadHandler> instant_unload_handler_;
 
   PrefChangeRegistrar profile_pref_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserInstantController);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_