Rename RootWindowHost* to WindowTreeHost*

ash/display/display_controller.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 "ash/display/display_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <map>
 
@@ skipping 653 matching lines @@
   internal::RootWindowController* controller =
       internal::GetRootWindowController(root_to_delete);
   DCHECK(controller);
   controller->MoveWindowsTo(GetPrimaryRootWindow());
   // Delete most of root window related objects, but don't delete
   // root window itself yet because the stack may be using it.
   controller->Shutdown();
   base::MessageLoop::current()->DeleteSoon(FROM_HERE, controller);
 }
 
-void DisplayController::OnRootWindowHostResized(const aura::RootWindow* root) {
+void DisplayController::OnWindowTreeHostResized(const aura::RootWindow* root) {
   internal::DisplayManager* display_manager = GetDisplayManager();
   gfx::Display display = GetDisplayNearestWindow(root->window());
   if (display_manager->UpdateDisplayBounds(
           display.id(),
           root->host()->GetBounds())) {
     mirror_window_controller_->UpdateWindow();
   }
 }
 
 void DisplayController::CreateOrUpdateNonDesktopDisplay(
@@ skipping 65 matching lines @@
 }
 
 aura::RootWindow* DisplayController::AddRootWindowForDisplay(
     const gfx::Display& display) {
   static int root_window_count = 0;
   const internal::DisplayInfo& display_info =
       GetDisplayManager()->GetDisplayInfo(display.id());
   const gfx::Rect& bounds_in_native = display_info.bounds_in_native();
   aura::RootWindow::CreateParams params(bounds_in_native);
   params.host = Shell::GetInstance()->root_window_host_factory()->
-      CreateRootWindowHost(bounds_in_native);
+      CreateWindowTreeHost(bounds_in_native);
   aura::RootWindow* root_window = new aura::RootWindow(params);
   root_window->window()->SetName(
       base::StringPrintf("RootWindow-%d", root_window_count++));
   root_window->host()->compositor()->SetBackgroundColor(SK_ColorBLACK);
   // No need to remove RootWindowObserver because
   // the DisplayController object outlives RootWindow objects.
   root_window->AddRootWindowObserver(this);
   internal::InitRootWindowSettings(root_window->window())->display_id =
       display.id();
   root_window->Init();
@@ skipping 29 matching lines @@
     std::string name =
         root_windows[i] == primary ? "aura_root_0" : "aura_root_x";
     gfx::AcceleratedWidget xwindow =
         root_windows[i]->GetDispatcher()->host()->GetAcceleratedWidget();
     XStoreName(gfx::GetXDisplay(), xwindow, name.c_str());
   }
 #endif
 }
 
 }  // namespace ash