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

ui/views/controls/textfield/native_textfield_views.h

 // Copyright (c) 2013 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 UI_VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "base/timer/timer.h"
@@ skipping 128 matching lines @@
   // Updates the obscured state of the text for passwords, etc.
   void UpdateIsObscured();
 
   // Updates the enabled state.
   void UpdateEnabled();
 
   // Updates the horizontal and vertical margins.
   void UpdateHorizontalMargins();
   void UpdateVerticalMargins();
 
+  // Displays a virtual keyboard or alternate input view if enabled.
+  void ShowImeIfNeeded();
+
   // Returns whether or not an IME is composing text.
   bool IsIMEComposing() const;
 
   // Gets the selected logical text range.
   const gfx::Range& GetSelectedRange() const;
 
   // Selects the specified logical text range.
   void SelectRange(const gfx::Range& range);
 
   // Gets the text selection model.
@@ skipping 229 matching lines @@
   // obscured text. When the timer is running, the last typed char is shown
   // and when the time expires, the last typed char is obscured.
   base::OneShotTimer<NativeTextfieldViews> obscured_reveal_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTextfieldViews);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_