Introduce a basic Blink Scheduler

public/platform/WebSchedulerProxy.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebArrayBufferConverter_h
-#define WebArrayBufferConverter_h
+#ifndef WebSchedulerProxy_h
+#define WebSchedulerProxy_h
 
-#include "public/platform/WebArrayBuffer.h"
+#include "WebThread.h"
 
-namespace v8 {
-class Isolate;
-class Object;
-class Value;
-template <class T> class Handle;
+namespace WebCore {
+class Scheduler;
 }
 
 namespace blink {
 
-class WebArrayBufferConverter {
+class WebSchedulerProxy {
 public:
-    BLINK_EXPORT static v8::Handle<v8::Value> toV8Value(WebArrayBuffer*, v8::Handle<v8::Object>, v8::Isolate*);
-    BLINK_EXPORT static WebArrayBuffer* createFromV8Value(v8::Handle<v8::Value>, v8::Isolate*);
+    BLINK_PLATFORM_EXPORT ~WebSchedulerProxy();
+
+    BLINK_PLATFORM_EXPORT static WebSchedulerProxy create();
+
+    // Schedule an input processing task to be run on the blink main thread.
+    // Takes ownership of |Task|. Can be called from any thread.
+    BLINK_PLATFORM_EXPORT void postInputTask(WebThread::Task*);
+
+    // Schedule a compositor task to run on the blink main thread. Takes
+    // ownership of |Task|. Can be called from any thread.
+    BLINK_PLATFORM_EXPORT void postCompositorTask(WebThread::Task*);
+
+private:
+    WebSchedulerProxy();
+
+    WebCore::Scheduler* m_scheduler;
 };
 
 } // namespace blink
 
-#endif // WebArrayBufferConverter_h
+#endif // WebSchedulerProxy_h