Make HWNDMessageHandler build with use_aura==1

ui/views/widget/native_widget_win.cc

Index: ui/views/widget/native_widget_win.cc
===================================================================
--- ui/views/widget/native_widget_win.cc	(revision 154445)
+++ ui/views/widget/native_widget_win.cc	(working copy)
@@ -249,7 +249,12 @@
 }
 
 InputMethod* NativeWidgetWin::CreateInputMethod() {
-  return message_handler_->CreateInputMethod();
+#if !defined(USE_AURA)
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (!command_line->HasSwitch(switches::kEnableViewsTextfield))
+    return NULL;
+#endif
+  return new InputMethodWin(GetMessageHandler());
 }
 
 internal::InputMethodDelegate* NativeWidgetWin::GetInputMethodDelegate() {
@@ -470,7 +475,7 @@
 }
 
 gfx::Rect NativeWidgetWin::GetWorkAreaBoundsInScreen() const {
-  return message_handler_->GetWorkAreaBoundsInScreen();
+  return gfx::Screen::GetDisplayNearestWindow(GetNativeView()).work_area();
 }
 
 void NativeWidgetWin::SetInactiveRenderingDisabled(bool value) {
@@ -746,10 +751,16 @@
 
 void NativeWidgetWin::HandleNativeFocus(HWND last_focused_window) {
   delegate_->OnNativeFocus(last_focused_window);
+  InputMethod* input_method = GetInputMethod();
+  if (input_method)
+    input_method->OnFocus();
 }
 
 void NativeWidgetWin::HandleNativeBlur(HWND focused_window) {
   delegate_->OnNativeBlur(focused_window);
+  InputMethod* input_method = GetInputMethod();
+  if (input_method)
+    input_method->OnBlur();
 }
 
 bool NativeWidgetWin::HandleMouseEvent(const ui::MouseEvent& event) {
@@ -760,6 +771,38 @@
   return delegate_->OnKeyEvent(event);
 }
 
+bool NativeWidgetWin::HandleUntranslatedKeyEvent(const ui::KeyEvent& event) {
+  InputMethod* input_method = GetInputMethod();
+  if (input_method)
+    input_method->DispatchKeyEvent(event);
+  return !!input_method;
+}
+
+bool NativeWidgetWin::HandleIMEMessage(UINT message,
+                                       WPARAM w_param,
+                                       LPARAM l_param,
+                                       LRESULT* result) {
+  InputMethod* input_method = GetInputMethod();
+  if (!input_method || input_method->IsMock()) {
+    *result = 0;
+    return false;
+  }
+
+  InputMethodWin* ime_win = static_cast<InputMethodWin*>(input_method);
+  BOOL handled = FALSE;
+  *result = ime_win->OnImeMessages(message, w_param, l_param, &handled);
+  return !!handled;
+}
+
+void NativeWidgetWin::HandleInputLanguageChange(DWORD character_set,
+                                                HKL input_language_id) {
+  InputMethod* input_method = GetInputMethod();
+  if (input_method && !input_method->IsMock()) {
+    static_cast<InputMethodWin*>(input_method)->OnInputLangChange(
+        character_set, input_language_id);
+  }
+}
+
 bool NativeWidgetWin::HandlePaintAccelerated(const gfx::Rect& invalid_rect) {
   return delegate_->OnNativeWidgetPaintAccelerated(gfx::Rect(invalid_rect));
 }