Reduce FOR_EACH_OBSERVER usage in ui/

ui/events/devices/device_data_manager.cc

 // Copyright 2014 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/events/devices/device_data_manager.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "ui/display/display.h"
 #include "ui/events/devices/input_device_event_observer.h"
 #include "ui/gfx/geometry/point3_f.h"
 
 // This macro provides the implementation for the observer notification methods.
-#define NOTIFY_OBSERVERS(method_decl, observer_call)                        \
-  void DeviceDataManager::method_decl {                                     \
-    FOR_EACH_OBSERVER(InputDeviceEventObserver, observers_, observer_call); \
+#define NOTIFY_OBSERVERS(method_decl, observer_call)       \
+  void DeviceDataManager::method_decl {                    \
+    for (InputDeviceEventObserver & observer : observers_) \

[sky, 2016/10/18 16:52:33]

Remove space between InputDeviceEventObserver and '&'?

[Eric Willigers, 2016/10/18 22:55:43]

Done.

+      observer.observer_call;                              \
   }
 
 namespace ui {
 
 namespace {
 
 bool InputDeviceEquals(const ui::InputDevice& a, const ui::InputDevice& b) {
   return a.id == b.id;
 }
 
@@ skipping 223 matching lines @@
 
 void DeviceDataManager::SetTouchscreensEnabled(bool enabled) {
   touch_screens_enabled_ = enabled;
 }
 
 bool DeviceDataManager::AreTouchscreensEnabled() const {
   return touch_screens_enabled_;
 }
 
 }  // namespace ui