Whitelist virtual keyboard container to process events at login screen

ash/shell/shell_delegate_impl.cc

 // 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.
 
 #include "ash/shell/shell_delegate_impl.h"
 
 #include <limits>
 
 #include "ash/caps_lock_delegate_stub.h"
 #include "ash/host/root_window_host_factory.h"
+#include "ash/keyboard_controller_proxy_stub.h"
 #include "ash/session_state_delegate.h"
 #include "ash/session_state_delegate_stub.h"
 #include "ash/shell/context_menu.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/launcher_delegate_impl.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_util.h"
 #include "base/message_loop/message_loop.h"
 #include "ui/aura/window.h"
-#include "ui/keyboard/keyboard_controller_proxy.h"
 #include "ui/views/corewm/input_method_event_filter.h"
 
 namespace ash {
-
-namespace {
-
-class DummyKeyboardControllerProxy : public keyboard::KeyboardControllerProxy {
- public:
-  DummyKeyboardControllerProxy() {}
-  virtual ~DummyKeyboardControllerProxy() {}
-
- private:
-  // Overridden from keyboard::KeyboardControllerProxy:
-  virtual content::BrowserContext* GetBrowserContext() OVERRIDE {
-    return Shell::GetInstance()->browser_context();
-  }
-
-  virtual ui::InputMethod* GetInputMethod() OVERRIDE {
-    return Shell::GetInstance()->input_method_filter()->input_method();
-  }
-
-  virtual void RequestAudioInput(content::WebContents* web_contents,
-      const content::MediaStreamRequest& request,
-      const content::MediaResponseCallback& callback) OVERRIDE {
-    return;
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(DummyKeyboardControllerProxy);
-};
-
-}  // namespace
-
 namespace shell {
 
 ShellDelegateImpl::ShellDelegateImpl()
     : watcher_(NULL),
       launcher_delegate_(NULL),
       spoken_feedback_enabled_(false),
       high_contrast_enabled_(false),
       screen_magnifier_enabled_(false),
       screen_magnifier_type_(kDefaultMagnifierType),
       large_cursor_enabled_(false) {
@@ skipping 57 matching lines @@
 }
 
 void ShellDelegateImpl::RestoreTab() {
 }
 
 void ShellDelegateImpl::ShowKeyboardOverlay() {
 }
 
 keyboard::KeyboardControllerProxy*
     ShellDelegateImpl::CreateKeyboardControllerProxy() {
-  return new DummyKeyboardControllerProxy();
+  return new KeyboardControllerProxyStub();
 }
 
 void ShellDelegateImpl::ShowTaskManager() {
 }
 
 content::BrowserContext* ShellDelegateImpl::GetCurrentBrowserContext() {
   return Shell::GetInstance()->browser_context();
 }
 
 void ShellDelegateImpl::ToggleSpokenFeedback(
@@ skipping 103 matching lines @@
 RootWindowHostFactory* ShellDelegateImpl::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash