Enable webkit_compositor_bindings_unittests in component builds

cc/test/test_webkit_platform.h

Index: cc/test/test_webkit_platform.h
diff --git a/cc/test/test_webkit_platform.h b/cc/test/test_webkit_platform.h
new file mode 100644
index 0000000000000000000000000000000000000000..ee7cfa6d97d74113154be183c979b3f14e66e6f1
--- /dev/null
+++ b/cc/test/test_webkit_platform.h
@@ -0,0 +1,44 @@
+// 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.
+
+#ifndef CC_TEST_TEST_WEBKIT_PLATFORM_H_
+#define CC_TEST_TEST_WEBKIT_PLATFORM_H_
+
+#include "base/rand_util.h"
+#include "base/threading/thread_local_storage.h"
+#include "cc/test/test_webkit_platform.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/Platform.h"
+#include "webkit/compositor_bindings/web_compositor_support_impl.h"
+#include "webkit/glue/webthread_impl.h"
+
+using webkit_glue::WebThreadImplForMessageLoop;
+
+namespace cc {
+
+class TestWebKitPlatform : public WebKit::Platform {
+ public:
+  TestWebKitPlatform();
+  virtual ~TestWebKitPlatform();
+
+  virtual WebKit::WebCompositorSupport* compositorSupport();
+
+  virtual void cryptographicallyRandomValues(
+      unsigned char* buffer, size_t length);
+
+  virtual WebKit::WebThread* createThread(const char* name);
+
+  virtual WebKit::WebThread* currentThread();
+
+  virtual double currentTime();
+
+  virtual double monotonicallyIncreasingTime();
+
+ private:
+  base::ThreadLocalStorage::Slot current_thread_slot_;
+  webkit::WebCompositorSupportImpl compositor_support_;
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_TEST_WEBKIT_PLATFORM_H_