cc: Make scheduling be driven by vsync for android webview.

content/public/test/test_synchronous_compositor_android.cc

Index: content/public/test/test_synchronous_compositor_android.cc
diff --git a/content/public/test/test_synchronous_compositor_android.cc b/content/public/test/test_synchronous_compositor_android.cc
index 1f4314adc94790eeb2780b10e6f4b5b46bf879f0..1c46e891ce7b129f2e9aa5b80b9f62951872ccfe 100644
--- a/content/public/test/test_synchronous_compositor_android.cc
+++ b/content/public/test/test_synchronous_compositor_android.cc
@@ -4,6 +4,7 @@
 
 #include "content/public/test/test_synchronous_compositor_android.h"
 
+#include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
 
 namespace content {
@@ -68,4 +69,8 @@ void TestSynchronousCompositor::SetMemoryPolicy(size_t bytes_limit) {
   DCHECK(!bytes_limit || hardware_initialized_) << bytes_limit;
 }
 
+void TestSynchronousCompositor::SendBeginFrame(cc::BeginFrameArgs args) {
+  client_->PostInvalidate();
+}
+
 }  // namespace content