Convert ChromeDriver to use only the JSON automation interface.

chrome/common/automation_constants.h

 // Copyright (c) 2006-2009 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.
 
 #ifndef CHROME_COMMON_AUTOMATION_CONSTANTS_H__
 #define CHROME_COMMON_AUTOMATION_CONSTANTS_H__
 #pragma once
 
 namespace automation {
 
@@ skipping 26 matching lines @@
 
 // Recognized by the AutomationProvider's SendWebKeyboardEventToSelectedTab
 // command. Specifies masks to be used in constructing keyboard event modifiers.
 enum KeyModifierMasks {
   kShiftKeyMask   = 1 << 0,
   kControlKeyMask = 1 << 1,
   kAltKeyMask     = 1 << 2,
   kMetaKeyMask    = 1 << 3,
 };
 
+enum MouseButton {
+  kLeftButton = 0,
+  kMiddleButton,
+  kRightButton,
+};
+
 }  // namespace automation
 
 // Used by AutomationProxy, declared here so that other headers don't need
 // to include automation_proxy.h.
 enum AutomationLaunchResult {
   AUTOMATION_LAUNCH_RESULT_INVALID = -1,
   AUTOMATION_SUCCESS,
   AUTOMATION_TIMEOUT,
   AUTOMATION_VERSION_MISMATCH,
   AUTOMATION_CREATE_TAB_FAILED,
@@ skipping 16 matching lines @@
 // property.
 enum AutomationMsg_ExtensionProperty {
   AUTOMATION_MSG_EXTENSION_ID = 0,
   AUTOMATION_MSG_EXTENSION_NAME,
   AUTOMATION_MSG_EXTENSION_VERSION,
   AUTOMATION_MSG_EXTENSION_BROWSER_ACTION_INDEX,
 };
 
 
 #endif  // CHROME_COMMON_AUTOMATION_CONSTANTS_H__