Remove the 2-level input method system & InputMethodBridge.

ui/views/win/hwnd_message_handler.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 "ui/views/win/hwnd_message_handler.h"
 
 #include <dwmapi.h>
 #include <oleacc.h>
 #include <shellapi.h>
 
@@ skipping 830 matching lines @@
   }
   if (delegate_->CanMinimize()) {
     style |= WS_MINIMIZEBOX;
   } else {
     style &= ~WS_MINIMIZEBOX;
   }
   SetWindowLong(hwnd(), GWL_STYLE, style);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// HWNDMessageHandler, InputMethodDelegate implementation:
-
-void HWNDMessageHandler::DispatchKeyEventPostIME(const ui::KeyEvent& key) {
-  SetMsgHandled(delegate_->HandleKeyEvent(key));
-}
-
-////////////////////////////////////////////////////////////////////////////////
 // HWNDMessageHandler, gfx::WindowImpl overrides:
 
 HICON HWNDMessageHandler::GetDefaultWindowIcon() const {
   if (use_system_default_icon_)
     return nullptr;
   return ViewsDelegate::GetInstance()
              ? ViewsDelegate::GetInstance()->GetDefaultWindowIcon()
              : nullptr;
 }
 
@@ skipping 748 matching lines @@
                                        LPARAM l_param) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "440919 HWNDMessageHandler::OnKeyEvent"));
 
   MSG msg = {
       hwnd(), message, w_param, l_param, static_cast<DWORD>(GetMessageTime())};
   ui::KeyEvent key(msg);
   if (!delegate_->HandleUntranslatedKeyEvent(key))
-    DispatchKeyEventPostIME(key);
+    SetMsgHandled(FALSE);
   return 0;
 }
 
 void HWNDMessageHandler::OnKillFocus(HWND focused_window) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "440919 HWNDMessageHandler::OnKillFocus"));
 
   delegate_->HandleNativeBlur(focused_window);
@@ skipping 1108 matching lines @@
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_HIDEWINDOW);
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_SHOWWINDOW);
   }
   // WM_DWMCOMPOSITIONCHANGED is only sent to top level windows, however we want
   // to notify our children too, since we can have MDI child windows who need to
   // update their appearance.
   EnumChildWindows(hwnd(), &SendDwmCompositionChanged, NULL);
 }
 
 }  // namespace views