Limit display of the virtual keyboard to state changes triggered from a user gesture.

chrome/browser/ui/omnibox/omnibox_view.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.
 
 // This file defines the interface class OmniboxView.  Each toolkit will
 // implement the edit view differently, so that code is inherently platform
 // specific.  However, the OmniboxEditModel needs to do some communication with
 // the view.  Since the model is shared between platforms, we need to define an
 // interface that all view implementations will share.
 
@@ skipping 191 matching lines @@
   // Returns the omnibox's width in pixels.
   virtual int GetWidth() const = 0;
 
   // Returns true if the user is composing something in an IME.
   virtual bool IsImeComposing() const = 0;
 
   // Returns true if we know for sure that an IME is showing a popup window,
   // which may overlap the omnibox's popup window.
   virtual bool IsImeShowingPopup() const;
 
+  // Display a virtual keybaord or alternate input view if enabled.
+  virtual void ShowImeIfNeeded();
+
   // Returns true if the view is displaying UI that indicates that query
   // refinement will take place when the user selects the current match.  For
   // search matches, this will cause the omnibox to search over the existing
   // corpus (e.g. Images) rather than start a new Web search.  This method will
   // only ever return true on mobile ports.
   virtual bool IsIndicatingQueryRefinement() const;
 
   // Returns |text| with any leading javascript schemas stripped.
   static base::string16 StripJavascriptSchemas(const base::string16& text);
 
@@ skipping 37 matching lines @@
   // |model_| can be NULL in tests.
   scoped_ptr<OmniboxEditModel> model_;
   OmniboxEditController* controller_;
 
   // The object that handles additional command functionality exposed on the
   // edit, such as invoking the keyword editor.
   CommandUpdater* command_updater_;
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_VIEW_H_