Reduce FOR_EACH_OBSERVER usage in ui/

ui/keyboard/keyboard_controller.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/keyboard/keyboard_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 170 matching lines @@
 }
 
 KeyboardController::~KeyboardController() {
   if (container_) {
     if (container_->GetRootWindow())
       container_->GetRootWindow()->RemoveObserver(this);
     container_->RemoveObserver(this);
   }
   if (input_method_)
     input_method_->RemoveObserver(this);
-  FOR_EACH_OBSERVER(KeyboardControllerObserver, observer_list_,
-                    OnKeyboardClosed());
+  for (KeyboardControllerObserver& observer : observer_list_)
+    observer.OnKeyboardClosed();
   ui_->SetController(nullptr);
 }
 
 // static
 void KeyboardController::ResetInstance(KeyboardController* controller) {
   if (instance_ && instance_ != controller)
     delete instance_;
   instance_ = controller;
 }
 
@@ skipping 11 matching lines @@
     container_->AddObserver(this);
     container_->SetLayoutManager(new KeyboardLayoutManager(this));
   }
   return container_.get();
 }
 
 void KeyboardController::NotifyKeyboardBoundsChanging(
     const gfx::Rect& new_bounds) {
   current_keyboard_bounds_ = new_bounds;
   if (ui_->HasKeyboardWindow() && ui_->GetKeyboardWindow()->IsVisible()) {
-    FOR_EACH_OBSERVER(KeyboardControllerObserver,
-                      observer_list_,
-                      OnKeyboardBoundsChanging(new_bounds));
+    for (KeyboardControllerObserver& observer : observer_list_)
+      observer.OnKeyboardBoundsChanging(new_bounds);
     if (keyboard::IsKeyboardOverscrollEnabled())
       ui_->InitInsets(new_bounds);
     else
       ui_->ResetInsets();
   } else {
     current_keyboard_bounds_ = gfx::Rect();
   }
 }
 
 void KeyboardController::HideKeyboard(HideReason reason) {
@@ skipping 244 matching lines @@
 
 void KeyboardController::ShowAnimationFinished() {
   // Notify observers after animation finished to prevent reveal desktop
   // background during animation.
   NotifyKeyboardBoundsChanging(container_->bounds());
   ui_->EnsureCaretInWorkArea();
 }
 
 void KeyboardController::HideAnimationFinished() {
   ui_->HideKeyboardContainer(container_.get());
-  FOR_EACH_OBSERVER(KeyboardControllerObserver, observer_list_,
-                    OnKeyboardHidden());
+  for (KeyboardControllerObserver& observer : observer_list_)
+    observer.OnKeyboardHidden();
 }
 
 }  // namespace keyboard