Add flag to enable experimental features for input view.

chrome/browser/extensions/api/input/input.cc

 // Copyright 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.
 
 #include "chrome/browser/extensions/api/input/input.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string16.h"
@@ skipping 134 matching lines @@
   return false;
 #endif
 }
 
 bool VirtualKeyboardPrivateGetKeyboardConfigFunction::RunSync() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 #if defined(USE_ASH)
   base::DictionaryValue* results = new base::DictionaryValue();
   results->SetString("layout", keyboard::GetKeyboardLayout());
   results->SetBoolean("a11ymode", keyboard::GetAccessibilityKeyboardEnabled());
+  results->SetBoolean("experimental",
+      keyboard::IsExperimentalInputViewEnabled());
   SetResult(results);
   return true;
 #else
   error_ = kNotYetImplementedError;
   return false;
 #endif
 }
 
 InputAPI::InputAPI(content::BrowserContext* context) {}
 
 InputAPI::~InputAPI() {
 }
 
 static base::LazyInstance<BrowserContextKeyedAPIFactory<InputAPI> > g_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<InputAPI>* InputAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions