Fix control key and paste behavior in Linux omnibox.

chrome/browser/autocomplete/autocomplete_edit_view.h

 // Copyright (c) 2006-2008 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 AutocompleteEditView.  Each toolkit
 // will implement the edit view differently, so that code is inherently
 // platform specific.  However, the AutocompleteEditModel 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 61 matching lines @@
 
   // Sets the edit to forced query mode.  Practically speaking, this means that
   // if the edit is not in forced query mode, its text is set to "?" with the
   // cursor at the end, and if the edit is in forced query mode (its first
   // character is '?'), the text after the '?' is selected.
   //
   // In the future we should display the search engine UI for the default engine
   // rather than '?'.
   virtual void SetForcedQuery() = 0;
 
-  // Returns true if all text is selected.
+  // Returns true if all text is selected or there is no text at all.
   virtual bool IsSelectAll() = 0;
 
   // Selects all the text in the edit.  Use this in place of SetSelAll() to
   // avoid selecting the "phantom newline" at the end of the edit.
   virtual void SelectAll(bool reversed) = 0;
 
   // Reverts the edit and popup back to their unedited state (permanent text
   // showing, popup closed, no user input in progress).
   virtual void RevertAll() = 0;
 
@@ skipping 28 matching lines @@
   virtual void OnBeforePossibleChange() = 0;
   // OnAfterPossibleChange() returns true if there was a change that caused it
   // to call UpdatePopup().
   virtual bool OnAfterPossibleChange() = 0;
 
   // Returns the gfx::NativeView of the edit view.
   virtual gfx::NativeView GetNativeView() const = 0;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_H_