Remove FOR_EACH_OBSERVER from arc/ since it's being deprecated

components/arc/arc_bridge_service.cc

Index: components/arc/arc_bridge_service.cc
diff --git a/components/arc/arc_bridge_service.cc b/components/arc/arc_bridge_service.cc
index 20cbb7da43b5b1ad04048417c97640c3257c69ad..be3e44d1597fd85c2c113e7ec46d2a71556937ad 100644
--- a/components/arc/arc_bridge_service.cc
+++ b/components/arc/arc_bridge_service.cc
@@ -73,10 +73,13 @@ void ArcBridgeService::SetState(State state) {
   DCHECK_NE(state_, state);
   state_ = state;
   VLOG(2) << "State: " << static_cast<uint32_t>(state_);
-  if (state_ == State::READY)
-    FOR_EACH_OBSERVER(Observer, observer_list(), OnBridgeReady());
-  else if (state == State::STOPPED)
-    FOR_EACH_OBSERVER(Observer, observer_list(), OnBridgeStopped(stop_reason_));
+  if (state_ == State::READY) {
+    for (auto& observer : observer_list())
+      observer.OnBridgeReady();
+  } else if (state == State::STOPPED) {
+    for (auto& observer : observer_list())

[Yusuke Sato, 2016/10/12 18:30:35]

Added <LF> since line 80-81 does not fit in one line. Also, one-line for does
not seem to be very popular in Chromium.

+      observer.OnBridgeStopped(stop_reason_);
+  }
 }
 
 void ArcBridgeService::SetStopReason(StopReason stop_reason) {