Implement indeterminate checkbox for the generic theme....

webkit/tools/test_shell/test_shell_webthemecontrol.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.
 
 // TestShellWebTheme::Control implements the generic rendering of controls
 // needed by TestShellWebTheme::Engine. See the comments in that class
 // header file for why this class is needed and used.
 //
 // This class implements a generic set of widgets using Skia. The widgets
 // are optimized for testability, not a pleasing appearance.
@@ skipping 54 matching lines @@
   // six clickable parts - two arrows, the "thumb" indicating the current
   // position on the bar, the other two parts of the bar (before and after
   // the thumb) and the "gripper" on the thumb itself.
   //
   enum Type {
     kUnknown_Type = 0,
     kTextField_Type,
     kPushButton_Type,
     kUncheckedBox_Type,
     kCheckedBox_Type,
+    kIndeterminateCheckBox_Type,
     kUncheckedRadio_Type,
     kCheckedRadio_Type,
     kHorizontalScrollTrackBack_Type,
     kHorizontalScrollTrackForward_Type,
     kHorizontalScrollThumb_Type,
     kHorizontalScrollGrip_Type,
     kVerticalScrollTrackBack_Type,
     kVerticalScrollTrackForward_Type,
     kVerticalScrollThumb_Type,
     kVerticalScrollGrip_Type,
@@ skipping 83 matching lines @@
   const int width_;
   const int height_;
 
   DISALLOW_COPY_AND_ASSIGN(Control);
 };
 
 }  // namespace TestShellWebTheme
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_WEBTHEMECONTROL_H_