CC Animation: Replace AnimiationEventsVector with AnimiationEvents class.

cc/trees/single_thread_proxy.cc

Index: cc/trees/single_thread_proxy.cc
diff --git a/cc/trees/single_thread_proxy.cc b/cc/trees/single_thread_proxy.cc
index 1f08b8988b4c31cb0cdcafdd4f7b363d0e1159ee..6e73dfa121a10a227fe0f602b6c137064cca3b3f 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -7,6 +7,7 @@
 #include "base/auto_reset.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/trace_event/trace_event.h"
+#include "cc/animation/animation_events.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/debug/devtools_instrumentation.h"
 #include "cc/output/context_provider.h"
@@ -415,7 +416,7 @@ void SingleThreadProxy::SetVideoNeedsBeginFrames(bool needs_begin_frames) {
 }
 
 void SingleThreadProxy::PostAnimationEventsToMainThreadOnImplThread(
-    scoped_ptr<AnimationEventsVector> events) {
+    scoped_ptr<AnimationEvents> events) {
   TRACE_EVENT0(
       "cc", "SingleThreadProxy::PostAnimationEventsToMainThreadOnImplThread");
   DCHECK(task_runner_provider_->IsImplThread());