Rework the way Widget::Init works:

chrome/browser/chromeos/input_method/candidate_window.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/input_method/candidate_window.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1264 matching lines @@
       &CandidateWindowController::Impl::OnConnectionChange);
 
   // Create the candidate window view.
   CreateView();
 
   return true;
 }
 
 void CandidateWindowController::Impl::CreateView() {
   // Create a non-decorated frame.
-  frame_.reset(views::Widget::CreateWidget(
-      views::Widget::CreateParams(views::Widget::CreateParams::TYPE_POPUP)));
+  frame_.reset(views::Widget::CreateWidget());
   // The size is initially zero.
-  frame_->Init(NULL, gfx::Rect(0, 0));
+  frame_->Init(
+      views::Widget::CreateParams(views::Widget::CreateParams::TYPE_POPUP));
 
   // Create the candidate window.
   candidate_window_ = new CandidateWindowView(frame_.get());
   candidate_window_->Init();
   candidate_window_->AddObserver(this);
 
   // Put the candidate window view on the frame.  The frame is resized
   // later when the candidate window is shown.
   views::RootView* root_view = frame_->GetRootView();
   // |root_view| owns the |candidate_window_|, thus |frame_| effectively
@@ skipping 110 matching lines @@
 
 CandidateWindowController::~CandidateWindowController() {
   delete impl_;
 }
 
 bool CandidateWindowController::Init() {
   return impl_->Init();
 }
 
 }  // namespace chromeos