New method: InputMethod::IsCandidatePopupOpen()

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 192 matching lines @@
   virtual string16 GetInstantSuggestion() const = 0;
 
   // Returns the width in pixels needed to display the current text. The
   // returned value includes margins.
   virtual int TextWidth() const = 0;
 
   // Returns true if the user is composing something in an IME.
   virtual bool IsImeComposing() const = 0;
 
   // Returns true if an IME is showing a popup window, which may overlap
-  // the omnibox's popup window.
+  // the omnibox's popup window.  Returns false if it's not detectable.
   virtual bool IsImeShowingPopup() const;
 
 #if defined(TOOLKIT_VIEWS)
   virtual int GetMaxEditWidth(int entry_width) const = 0;
 
   // Adds the autocomplete edit view to view hierarchy and
   // returns the views::View of the edit view.
   virtual views::View* AddToView(views::View* parent) = 0;
 
   // Performs the drop of a drag and drop operation on the view.
@@ skipping 35 matching lines @@
   scoped_ptr<OmniboxEditModel> model_;
   OmniboxEditController* controller_;
   ToolbarModel* toolbar_model_;
 
   // 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_