Change the DidChangeView update to take a new ViewChanged resource.

ppapi/proxy/plugin_dispatcher.h

Index: ppapi/proxy/plugin_dispatcher.h
diff --git a/ppapi/proxy/plugin_dispatcher.h b/ppapi/proxy/plugin_dispatcher.h
index 31fe2218a8970ddd8bf1684293f8f81774a07f6b..47df95d41335182ce9cdff8e369cbed11b4b4d0a 100644
--- a/ppapi/proxy/plugin_dispatcher.h
+++ b/ppapi/proxy/plugin_dispatcher.h
@@ -18,6 +18,7 @@
 #include "ppapi/proxy/dispatcher.h"
 #include "ppapi/shared_impl/function_group_base.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
+#include "ppapi/shared_impl/ppb_view_shared.h"
 
 namespace ppapi {
 
@@ -32,8 +33,8 @@ struct InstanceData {
   InstanceData();
   ~InstanceData();
 
-  PP_Rect position;
-  PP_Bool fullscreen;  // Used for PPB_Fullscreen.
+  ViewData view;
+
   PP_Bool flash_fullscreen;  // Used for PPB_FlashFullscreen.
 
   // When non-0, indicates the callback to execute when mouse lock is lost.