Reduce FOR_EACH_OBSERVER usage in ui/

ui/aura/window_tree_host.cc

 // Copyright (c) 2013 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/aura/window_tree_host.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/cursor_client.h"
@@ skipping 252 matching lines @@
 void WindowTreeHost::OnAcceleratedWidgetAvailable() {
   compositor_->SetAcceleratedWidget(GetAcceleratedWidget());
   prop_.reset(new ui::ViewProp(GetAcceleratedWidget(),
                                kWindowTreeHostForAcceleratedWidget, this));
 }
 
 void WindowTreeHost::OnHostMoved(const gfx::Point& new_location) {
   TRACE_EVENT1("ui", "WindowTreeHost::OnHostMoved",
                "origin", new_location.ToString());
 
-  FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_,
-                    OnHostMoved(this, new_location));
+  for (WindowTreeHostObserver& observer : observers_)
+    observer.OnHostMoved(this, new_location);
 }
 
 void WindowTreeHost::OnHostResized(const gfx::Size& new_size) {
   gfx::Size adjusted_size(new_size);
   adjusted_size.Enlarge(output_surface_padding_.width(),
                         output_surface_padding_.height());
   // The compositor should have the same size as the native root window host.
   // Get the latest scale from display because it might have been changed.
   compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()),
                                adjusted_size);
 
   gfx::Size layer_size = GetBounds().size();
   // The layer, and the observers should be notified of the
   // transformed size of the root window.
   UpdateRootWindowSize(layer_size);
-  FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_, OnHostResized(this));
+  for (WindowTreeHostObserver& observer : observers_)
+    observer.OnHostResized(this);
 }
 
 void WindowTreeHost::OnHostWorkspaceChanged() {
-  FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_,
-                    OnHostWorkspaceChanged(this));
+  for (WindowTreeHostObserver& observer : observers_)
+    observer.OnHostWorkspaceChanged(this);
 }
 
 void WindowTreeHost::OnHostCloseRequested() {
-  FOR_EACH_OBSERVER(WindowTreeHostObserver, observers_,
-                    OnHostCloseRequested(this));
+  for (WindowTreeHostObserver& observer : observers_)
+    observer.OnHostCloseRequested(this);
 }
 
 void WindowTreeHost::OnHostActivated() {
   Env::GetInstance()->NotifyHostActivated(this);
 }
 
 void WindowTreeHost::OnHostLostWindowCapture() {
   Window* capture_window = client::GetCaptureWindow(window());
   if (capture_window && capture_window->GetRootWindow() == window())
     capture_window->ReleaseCapture();
@@ skipping 19 matching lines @@
   client::CursorClient* cursor_client = client::GetCursorClient(window());
   if (cursor_client) {
     const display::Display& display =
         display::Screen::GetScreen()->GetDisplayNearestWindow(window());
     cursor_client->SetDisplay(display);
   }
   dispatcher()->OnCursorMovedToRootLocation(root_location);
 }
 
 }  // namespace aura