Fix for missing includes that is breaking the build.

Change-Id: Ic84b869b5e185d99ae804d7471dcb26176f33335
diff --git a/Source/WebKit/android/jni/ViewStateSerializer.cpp b/Source/WebKit/android/jni/ViewStateSerializer.cpp
index 1aec3ef..650e202 100644
--- a/Source/WebKit/android/jni/ViewStateSerializer.cpp
+++ b/Source/WebKit/android/jni/ViewStateSerializer.cpp
@@ -40,6 +40,7 @@
 #include "LayerContent.h"
 #include "PictureLayerContent.h"
 #include "ScrollableLayerAndroid.h"
+#include "SkData.h"
 #include "SkFlattenable.h"
 #include "SkPicture.h"
 #include "TilesManager.h"