Allow virtual keyboard window to access audio stream and speech api for voice input

ui/keyboard/keyboard_controller_unittest.cc

 // Copyright (c) 2013 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 "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/aura_test_helper.h"
@@ skipping 52 matching lines @@
     // Destroy the window before the delegate.
     window_.reset();
   }
 
   // Overridden from KeyboardControllerProxy:
   virtual aura::Window* GetKeyboardWindow() OVERRIDE { return window_.get(); }
   virtual content::BrowserContext* GetBrowserContext() OVERRIDE { return NULL; }
   virtual ui::InputMethod* GetInputMethod() OVERRIDE {
     return input_method_.get();
   }
+  virtual void RequestAudioInput(content::WebContents* web_contents,
+      const content::MediaStreamRequest& request,
+      const content::MediaResponseCallback& callback) OVERRIDE { return; }
 
  private:
   scoped_ptr<aura::Window> window_;
   aura::test::TestWindowDelegate delegate_;
   scoped_ptr<ui::InputMethod> input_method_;
 
   DISALLOW_COPY_AND_ASSIGN(TestKeyboardControllerProxy);
 };
 
 // Keeps a count of all the events a window receives.
@@ skipping 190 matching lines @@
   EXPECT_TRUE(keyboard_container->IsVisible());
 
   input_method->SetFocusedTextInputClient(&no_input_client);
   EXPECT_FALSE(keyboard_container->IsVisible());
 
   input_method->SetFocusedTextInputClient(&input_client);
   EXPECT_TRUE(keyboard_container->IsVisible());
 }
 
 }  // namespace keyboard