Introduce TsfEventRouter.

ui/base/win/tsf_bridge.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 <msctf.h>
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop.h"
@@ skipping 165 matching lines @@
   virtual void RemoveFocusedClient(TextInputClient* client) OVERRIDE {
     DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
     DCHECK(IsInitialized());
     if (client_ == client) {
       client_ = NULL;
       text_store_->get()->SetFocusedTextInputClient(NULL, NULL);
       password_text_store_->get()->SetFocusedTextInputClient(NULL, NULL);
     }
   }
 
+  virtual base::win::ScopedComPtr<ITfThreadMgr> GetThreadManager() OVERRIDE {
+    DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
+    DCHECK(IsInitialized());
+    return thread_manager_;
+  }
+
  private:
   friend struct DefaultSingletonTraits<TsfBridgeDelegate>;
 
   // Initializes |document_manager_for_editable_|.
   bool InitializeForEnabledDocumentManager() {
     if (FAILED(thread_manager_->CreateDocumentMgr(
             document_manager_for_editable_.Receive()))) {
       VLOG(1) << "Failed to create Document Manager.";
       return false;
     }
@@ skipping 283 matching lines @@
     VLOG(1) << "Do not use TsfBridge without UI thread.";
     return NULL;
   }
   TsfBridgeDelegate* delegate =
       static_cast<TsfBridgeDelegate*>(tls_tsf_bridge.Get());
   DCHECK(delegate) << "Do no call GetInstance before TsfBridge::Initialize.";
   return delegate;
 }
 
 }  // namespace ui