Find should allow keyboard scrolling while Find bar has focus

chrome/views/controls/text_field.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 
 // These classes define a text field widget that can be used in the views UI
 // toolkit.
 
 #ifndef CHROME_VIEWS_CONTROLS_TEXT_FIELD_H_
 #define CHROME_VIEWS_CONTROLS_TEXT_FIELD_H_
 
 #include <string>
@@ skipping 12 matching lines @@
  public:
   // This defines the callback interface for other code to be notified of
   // changes in the state of a text field.
   class Controller {
    public:
     // This method is called whenever the text in the field changes.
     virtual void ContentsChanged(TextField* sender,
                                  const std::wstring& new_contents) = 0;
 
     // This method is called to get notified about keystrokes in the edit.
-    virtual void HandleKeystroke(TextField* sender,
+    // This method returns true if the message was handled and should not be
+    // processed further. If it returns false the processing continues.
+    virtual bool HandleKeystroke(TextField* sender,
                                  UINT message, TCHAR key, UINT repeat_count,
                                  UINT flags) = 0;
   };
 
   enum StyleFlags {
     STYLE_DEFAULT = 0,
     STYLE_PASSWORD = 1<<0,
     STYLE_MULTILINE = 1<<1,
     STYLE_LOWERCASE = 1<<2
   };
@@ skipping 150 matching lines @@
  protected:
   // Calculates the insets for the text field.
   void CalculateInsets(gfx::Insets* insets);
 
   DISALLOW_COPY_AND_ASSIGN(TextField);
 };
 
 }  // namespace views
 
 #endif  // CHROME_VIEWS_CONTROLS_TEXT_FIELD_H_