Use estimated vsync period on Android

ui/android/java/src/org/chromium/ui/base/WindowAndroid.java

Index: ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java b/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
index 6d3f3a6d1538a90ed7137b6f992c74610cfc56d8..ef56966f652ec350c8d4baf08af43bea7006acad 100644
--- a/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
+++ b/ui/android/java/src/org/chromium/ui/base/WindowAndroid.java
@@ -51,7 +51,9 @@ public class WindowAndroid {
         @Override
         public void onVSync(VSyncMonitor monitor, long vsyncTimeMicros) {
             if (mNativeWindowAndroid != 0) {
-                nativeOnVSync(mNativeWindowAndroid, vsyncTimeMicros);
+                nativeOnVSync(mNativeWindowAndroid,
+                              vsyncTimeMicros,
+                              mVSyncMonitor.getVSyncPeriodInMicroseconds());
             }
         }
     };
@@ -288,7 +290,9 @@ public class WindowAndroid {
     }
 
     private native long nativeInit(long vsyncPeriod);
-    private native void nativeOnVSync(long nativeWindowAndroid, long vsyncTimeMicros);
+    private native void nativeOnVSync(long nativeWindowAndroid,
+                                      long vsyncTimeMicros,
+                                      long vsyncPeriod);

[Sami, 2014/10/01 11:42:49]

nit: vsyncPeriodMicros.

     private native void nativeDestroy(long nativeWindowAndroid);
 
 }