Replace FOR_EACH_OBSERVER in c/b/chromeos with range-based for

chrome/browser/chromeos/file_manager/volume_manager.cc

Index: chrome/browser/chromeos/file_manager/volume_manager.cc
diff --git a/chrome/browser/chromeos/file_manager/volume_manager.cc b/chrome/browser/chromeos/file_manager/volume_manager.cc
index 86b788ff4f338e4753d20ce56da0361d25823f4e..e2274225166fd9456d81a893f96ae44046620158 100644
--- a/chrome/browser/chromeos/file_manager/volume_manager.cc
+++ b/chrome/browser/chromeos/file_manager/volume_manager.cc
@@ -44,7 +44,7 @@ namespace {
 const uint32_t kAccessCapabilityReadWrite = 0;
 const uint32_t kFilesystemTypeGenericHierarchical = 2;
 const char kFileManagerMTPMountNamePrefix[] = "fileman-mtp-";
-const char kMtpVolumeIdPrefix [] = "mtp:";
+const char kMtpVolumeIdPrefix[] = "mtp:";
 const char kRootPath[] = "/";
 
 // Registers |path| as the "Downloads" folder to the FileSystem API backend.
@@ -508,8 +508,8 @@ void VolumeManager::OnDiskEvent(
       }
 
       // Notify to observers.
-      FOR_EACH_OBSERVER(VolumeManagerObserver, observers_,
-                        OnDiskAdded(*disk, mounting));
+      for (auto& observer : observers_)
+        observer.OnDiskAdded(*disk, mounting);
       return;
     }
 
@@ -523,8 +523,8 @@ void VolumeManager::OnDiskEvent(
       }
 
       // Notify to observers.
-      FOR_EACH_OBSERVER(VolumeManagerObserver, observers_,
-                        OnDiskRemoved(*disk));
+      for (auto& observer : observers_)
+        observer.OnDiskRemoved(*disk);
       return;
   }
   NOTREACHED();
@@ -538,12 +538,12 @@ void VolumeManager::OnDeviceEvent(
   DVLOG(1) << "OnDeviceEvent: " << event << ", " << device_path;
   switch (event) {
     case chromeos::disks::DiskMountManager::DEVICE_ADDED:
-      FOR_EACH_OBSERVER(VolumeManagerObserver, observers_,
-                        OnDeviceAdded(device_path));
+      for (auto& observer : observers_)
+        observer.OnDeviceAdded(device_path);
       return;
     case chromeos::disks::DiskMountManager::DEVICE_REMOVED: {
-      FOR_EACH_OBSERVER(
-          VolumeManagerObserver, observers_, OnDeviceRemoved(device_path));
+      for (auto& observer : observers_)
+        observer.OnDeviceRemoved(device_path);
       return;
     }
     case chromeos::disks::DiskMountManager::DEVICE_SCANNED:
@@ -605,10 +605,10 @@ void VolumeManager::OnFormatEvent(
 
   switch (event) {
     case chromeos::disks::DiskMountManager::FORMAT_STARTED:
-      FOR_EACH_OBSERVER(
-          VolumeManagerObserver, observers_,
-          OnFormatStarted(device_path,
-                          error_code == chromeos::FORMAT_ERROR_NONE));
+      for (auto& observer : observers_) {
+        observer.OnFormatStarted(device_path,
+                                 error_code == chromeos::FORMAT_ERROR_NONE);
+      }
       return;
     case chromeos::disks::DiskMountManager::FORMAT_COMPLETED:
       if (error_code == chromeos::FORMAT_ERROR_NONE) {
@@ -622,10 +622,10 @@ void VolumeManager::OnFormatEvent(
                                        GetExternalStorageAccessMode(profile_));
       }
 
-      FOR_EACH_OBSERVER(
-          VolumeManagerObserver, observers_,
-          OnFormatCompleted(device_path,
-                            error_code == chromeos::FORMAT_ERROR_NONE));
+      for (auto& observer : observers_) {
+        observer.OnFormatCompleted(device_path,
+                                   error_code == chromeos::FORMAT_ERROR_NONE);
+      }
 
       return;
   }
@@ -893,8 +893,8 @@ void VolumeManager::DoMountEvent(chromeos::MountError error_code,
                               NUM_VOLUME_TYPE);
   }
 
-  FOR_EACH_OBSERVER(VolumeManagerObserver, observers_,
-                    OnVolumeMounted(error_code, *volume));
+  for (auto& observer : observers_)
+    observer.OnVolumeMounted(error_code, *volume);
 }
 
 void VolumeManager::DoUnmountEvent(chromeos::MountError error_code,
@@ -904,8 +904,8 @@ void VolumeManager::DoUnmountEvent(chromeos::MountError error_code,
   if (error_code == chromeos::MOUNT_ERROR_NONE)
     mounted_volumes_.erase(volume->volume_id());
 
-  FOR_EACH_OBSERVER(VolumeManagerObserver, observers_,
-                    OnVolumeUnmounted(error_code, *volume.get()));
+  for (auto& observer : observers_)
+    observer.OnVolumeUnmounted(error_code, *volume.get());
 }
 
 }  // namespace file_manager