Not for review - Rebase of crrev.com/62833003

public/platform/WebTeleportCallback.h

Index: public/platform/WebTeleportCallback.h
diff --git a/public/platform/WebWaitableEvent.h b/public/platform/WebTeleportCallback.h
similarity index 69%
copy from public/platform/WebWaitableEvent.h
copy to public/platform/WebTeleportCallback.h
index f1b59f0a263afe5afd887863e98d52d9cfa3e95e..06f51a5fb11446a8cbd405cb1d4e286dd89b4386 100644
--- a/public/platform/WebWaitableEvent.h
+++ b/public/platform/WebTeleportCallback.h
@@ -28,28 +28,46 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebWaitableEvent_h
-#define WebWaitableEvent_h
+#ifndef WebTeleportCallback_h
+#define WebTeleportCallback_h
 
 #include "WebCommon.h"
 
+#include "WebString.h"
+#include "WebVector.h"
+
 namespace blink {
 
-// Provides a thread synchronization that can be used to allow one thread to
-// wait until another thread to finish some work.
-class WebWaitableEvent {
-public:
-    virtual ~WebWaitableEvent() { }
+struct WebTeleportValue {
+    enum ValueType {
+        ValueTypeTransform,
+        ValueTypeOpacity,
+        ValueTypeScrollTop,
+        ValueTypePendingScrollDelta,
+        ValueTypeTimestamp,
+        ValueTypeError
+    };
+
+    WebString id;
+    ValueType type;
+    bool initialized;
+    bool modified;
+    int layer_id;
 
-    // Waits indefinitely for the event to be signaled.
-    virtual void wait() = 0;
+    union {
+        double matrix[16];
+        double scalar;
+    } value;
+};
+
+typedef WebVector<WebTeleportValue> WebTeleportValues;
 
-    // Puts the event in the signaled state. Causing any thread blocked on Wait
-    // to be woken up. The event state is reset to non-signaled after
-    // a waiting thread has been released.
-    virtual void signal() = 0;
+class WebTeleportCallback {
+public:
+    virtual ~WebTeleportCallback() { }
+    virtual void Run(const WebTeleportValues&) = 0;
 };
 
-} // namespace blink
+} // blink
 
-#endif // WebWaitableEvent_h
+#endif // WebTeleportCallback_h