Disable/enable echo for enterprise device.

chrome/browser/chromeos/extensions/echo_private_api.h

 // Copyright (c) 2012 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_BROWSER_CHROMEOS_EXTENSIONS_ECHO_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_ECHO_PRIVATE_API_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_function.h"
 
@@ skipping 16 matching lines @@
 
  protected:
   virtual ~GetOobeTimestampFunction();
   virtual bool RunImpl() OVERRIDE;
 
  private:
   bool GetOobeTimestampOnFileThread();
   DECLARE_EXTENSION_FUNCTION("echoPrivate.getOobeTimestamp",
                              ECHOPRIVATE_GETOOBETIMESTAMP)
 };
+
+class IsEchoDisabledFunction : public SyncExtensionFunction {

[Mattias Nissler (ping if slow), 2013/02/04 09:06:19]

I don't see why this shouldn't better be named IsEchoEnabled?

[oscarpan, 2013/02/05 00:17:47]

Done.

+ public:
+  IsEchoDisabledFunction();
+
+ protected:
+  virtual ~IsEchoDisabledFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+ private:
+  DECLARE_EXTENSION_FUNCTION("echoPrivate.isEchoDisabled",
+                             ECHOPRIVATE_ISECHODISABLED)
+};
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_ECHO_PRIVATE_API_H_