Introduce RenderWidgetHostViewWinTest for Tsf handling

ui/base/win/mock_tsf_bridge.cc

Index: ui/base/win/mock_tsf_bridge.cc
diff --git a/ui/base/win/mock_tsf_bridge.cc b/ui/base/win/mock_tsf_bridge.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b960898db9913247770bbf6b4407010fbf0d7ca0
--- /dev/null
+++ b/ui/base/win/mock_tsf_bridge.cc
@@ -0,0 +1,68 @@
+// 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 "ui/base/win/mock_tsf_bridge.h"
+
+#include "ui/base/ime/text_input_client.h"
+#include "base/logging.h"
+
+namespace ui {
+
+MockTsfBridge::MockTsfBridge()
+  : shutdown_call_count_(0),
+    enable_ime_call_count_(0),
+    disalbe_ime_call_count_(0),
+    cancel_composition_call_count_(0),
+    associate_focus_call_count_(0),
+    set_focused_client_call_count_(0),
+    remove_focused_client_call_count_(0),
+    text_input_client_(NULL),
+    focused_window_(NULL),
+    latest_text_input_type_(TEXT_INPUT_TYPE_NONE) {
+}
+
+MockTsfBridge::~MockTsfBridge() {
+}
+
+void MockTsfBridge::Shutdown() {
+  shutdown_call_count_++;
+}
+
+bool MockTsfBridge::CancelComposition() {
+  ++cancel_composition_call_count_;
+  return true;
+}
+
+void MockTsfBridge::OnTextInputTypeChanged(TextInputClient* client) {
+  latest_text_input_type_ = client->GetTextInputType();
+}
+
+void MockTsfBridge::SetFocusedClient(HWND focused_window,
+                                     TextInputClient* client) {
+  ++set_focused_client_call_count_;
+  focused_window_ = focused_window;
+  text_input_client_ = client;
+}
+
+void MockTsfBridge::RemoveFocusedClient(TextInputClient* client) {
+  ++remove_focused_client_call_count_;
+  DCHECK_EQ(client, text_input_client_);
+  text_input_client_ = NULL;
+  focused_window_ = NULL;
+}
+
+void MockTsfBridge::Reset() {
+  shutdown_call_count_ = 0;
+  enable_ime_call_count_ = 0;
+  disalbe_ime_call_count_ = 0;
+  cancel_composition_call_count_ = 0;
+  associate_focus_call_count_ = 0;
+  set_focused_client_call_count_ = 0;
+  remove_focused_client_call_count_ = 0;
+  text_input_client_ = NULL;
+  focused_window_ = NULL;
+  latest_text_input_type_ = TEXT_INPUT_TYPE_NONE;
+}
+
+}  // namespace ui