NOT READY FOR REVIEW - switch to a subscriber model for rendering stats

cc/rendering_stats.cc

Index: cc/rendering_stats.cc
diff --git a/cc/rendering_stats.cc b/cc/rendering_stats.cc
new file mode 100644
index 0000000000000000000000000000000000000000..662e44338760ba1df5aa21e8d31b1da6081d31c4
--- /dev/null
+++ b/cc/rendering_stats.cc
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+// Copyright 2012 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 "config.h"
+
+#include "rendering_stats.h"
+
+namespace cc {
+
+RenderingStats::RenderingStats()
+    : numAnimationFrames(0),
+      numFramesSentToScreen(0),
+      droppedFrameCount(0),
+      frameRateAverage(0.0),
+      frameRateStandardDeviation(0.0),
+      totalPaintTimeInSeconds(0.0),
+      totalRasterizeTimeInSeconds(0.0),
+      totalCommitTimeInSeconds(0.0),
+      totalCommitCount(0),
+      numImplThreadScrolls(0),
+      numMainThreadScrolls(0)
+{}
+
+}  // namespace cc