Changing animate to beginFrame and use struct rather than naked double to allow extension.

public/web/WebBeginFrameArgs.h

Index: public/web/WebBeginFrameArgs.h
diff --git a/public/platform/WebConnectionType.h b/public/web/WebBeginFrameArgs.h
similarity index 79%
copy from public/platform/WebConnectionType.h
copy to public/web/WebBeginFrameArgs.h
index 1b925fd863c565ed59550d8c4fda3897ee6d4964..24676a025c8dacebd3426e16ea46940b0328bb21 100644
--- a/public/platform/WebConnectionType.h
+++ b/public/web/WebBeginFrameArgs.h
@@ -28,23 +28,23 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebConnectionType_h
-#define WebConnectionType_h
+#ifndef WebBeginFrameArgs_h
+#define WebBeginFrameArgs_h
 
 namespace blink {
 
-// Connection types from http://w3c.github.io/netinfo/.
-enum WebConnectionType {
-    ConnectionTypeCellular = 0,
-    ConnectionTypeBluetooth,
-    ConnectionTypeEthernet,
-    ConnectionTypeWifi,
-    ConnectionTypeOther,
-    ConnectionTypeNone,
-    ConnectionTypeUnknown,
-    ConnectionTypeLast = ConnectionTypeUnknown
+struct WebBeginFrameArgs {
+    WebBeginFrameArgs(double lastFrameTime)
+        : lastFrameTime(lastFrameTime)
+    { }
+
+    // FIXME(mithro): Upgrade the time in CLOCK_MONOTONIC values to use a
+    // TimeTick like class rather than a bare double.
+
+    // Time in CLOCK_MONOTONIC that is the most recent vsync time.
+    double lastFrameTime;
 };
 
 } // namespace blink
 
-#endif // WebConnectionType_h
+#endif