Remove WmLookup.

ash/common/frame/header_view.cc

 // Copyright 2016 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 "ash/common/frame/header_view.h"
 
 #include "ash/common/frame/caption_buttons/frame_caption_button_container_view.h"
 #include "ash/common/frame/default_header_painter.h"
 #include "ash/common/session/session_state_delegate.h"
-#include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
+#include "ash/common/wm_window.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
 HeaderView::HeaderView(views::Widget* target_widget)
     : target_widget_(target_widget),
       header_painter_(new DefaultHeaderPainter),
       avatar_icon_(nullptr),
@@ skipping 36 matching lines @@
     Layout();
   return header_painter_->GetHeaderHeightForPainting();
 }
 
 int HeaderView::GetMinimumWidth() const {
   return header_painter_->GetMinimumHeaderWidth();
 }
 
 void HeaderView::UpdateAvatarIcon() {
   SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
-  WmWindow* window = WmLookup::Get()->GetWindowForWidget(target_widget_);
+  WmWindow* window = WmWindow::Get(target_widget_->GetNativeWindow());
   bool show = delegate->ShouldShowAvatar(window);
   if (!show) {
     if (!avatar_icon_)
       return;
     delete avatar_icon_;
     avatar_icon_ = nullptr;
   } else {
     gfx::ImageSkia image = delegate->GetAvatarImageForWindow(window);
     DCHECK_EQ(image.width(), image.height());
     if (!avatar_icon_) {
@@ skipping 113 matching lines @@
   gfx::Rect visible_bounds(GetVisibleBounds());
   gfx::Point visible_origin_in_screen(visible_bounds.origin());
   views::View::ConvertPointToScreen(this, &visible_origin_in_screen);
   std::vector<gfx::Rect> bounds_in_screen;
   bounds_in_screen.push_back(
       gfx::Rect(visible_origin_in_screen, visible_bounds.size()));
   return bounds_in_screen;
 }
 
 }  // namespace ash