Revert "Delete CC."

cc/output/compositor_frame_metadata.cc

Index: cc/output/compositor_frame_metadata.cc
diff --git a/cc/output/compositor_frame_metadata.cc b/cc/output/compositor_frame_metadata.cc
new file mode 100644
index 0000000000000000000000000000000000000000..dad78a0c8225ee22f9004d07b8fe9338146a0c2d
--- /dev/null
+++ b/cc/output/compositor_frame_metadata.cc
@@ -0,0 +1,21 @@
+// Copyright (c) 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 "cc/output/compositor_frame_metadata.h"
+
+namespace cc {
+
+CompositorFrameMetadata::CompositorFrameMetadata()
+    : device_scale_factor(0.f),
+      page_scale_factor(0.f),
+      min_page_scale_factor(0.f),
+      max_page_scale_factor(0.f),
+      root_overflow_x_hidden(false),
+      root_overflow_y_hidden(false) {
+}
+
+CompositorFrameMetadata::~CompositorFrameMetadata() {
+}
+
+}  // namespace cc