Browser should get notified if a views textfield changes focus. In addition,

views/view.h

 // Copyright (c) 2010 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 VIEWS_VIEW_H_
 #define VIEWS_VIEW_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 119 matching lines @@
 class View : public AcceleratorTarget {
  public:
   // Used in the versions of GetBounds() and x() that take a transformation
   // parameter in order to determine whether or not to take into account the
   // mirroring setting of the View when returning bounds positions.
   enum PositionMirroringSettings {
     IGNORE_MIRRORING_TRANSFORMATION = 0,
     APPLY_MIRRORING_TRANSFORMATION
   };
 
+  enum ContentType {
+    NONE,
+    GENERIC_INPUT,
+    URL_INPUT,
+  };
+
 #if defined(TOUCH_UI)
   enum TouchStatus {
     TOUCH_STATUS_UNKNOWN = 0,  // Unknown touch status. This is used to indicate
                                // that the touch event was not handled.
     TOUCH_STATUS_START,        // The touch event initiated a touch sequence.
     TOUCH_STATUS_CONTINUE,     // The touch event is part of a previously
                                // started touch sequence.
     TOUCH_STATUS_END,          // The touch event ended the touch sequence.
     TOUCH_STATUS_CANCEL        // The touch event was cancelled, but didn't
                                // terminate the touch sequence.
@@ skipping 832 matching lines @@
   // See VariableRowHeightScrollHelper and FixedRowHeightScrollHelper for
   // implementations of common cases.
   virtual int GetPageScrollIncrement(ScrollView* scroll_view,
                                      bool is_horizontal, bool is_positive);
   virtual int GetLineScrollIncrement(ScrollView* scroll_view,
                                      bool is_horizontal, bool is_positive);
 
   // Get the theme provider from the parent widget.
   ThemeProvider* GetThemeProvider() const;
 
+  // Returns the content type of this view.
+  virtual ContentType GetContentType();

[oshima, 2011/01/27 23:39:09]

const

[varunjain, 2011/01/28 01:55:57]

Done.

+
  protected:
   // Returns whether this view can accept focus.
   // A view can accept focus if it's enabled, focusable and visible.
   // This method is intended for views to use when calculating preferred size.
   // The FocusManager and other places use IsFocusableInRootView.
   virtual bool IsFocusable() const;
 
   // Called when the UI theme has changed, overriding allows individual Views to
   // do special cleanup and processing (such as dropping resource caches).
   // To dispatch a theme changed notification, call
@@ skipping 343 matching lines @@
   // The default value for how long to wait (in ms) before showing a menu
   // button on hover. This value is used if the OS doesn't supply one.
   static const int kShowFolderDropMenuDelay;
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_VIEW_H_