Change the DidChangeView update to take a new ViewChanged resource.

ppapi/examples/2d/graphics_2d_example.c

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <stdlib.h>
 #include <string.h>
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
-#include "ppapi/c/pp_size.h"
+#include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb.h"
 #include "ppapi/c/ppb_core.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/c/ppb_image_data.h"
 #include "ppapi/c/ppb_instance.h"
+#include "ppapi/c/ppb_view.h"
 #include "ppapi/c/ppp.h"
 #include "ppapi/c/ppp_instance.h"
 
 PPB_GetInterface g_get_browser_interface = NULL;
 
 const struct PPB_Core* g_core_interface;
 const struct PPB_Graphics2D* g_graphics_2d_interface;
 const struct PPB_ImageData* g_image_data_interface;
 const struct PPB_Instance* g_instance_interface;
+const struct PPB_View* g_view_interface;
 
 /* PPP_Instance implementation -----------------------------------------------*/
 
 struct InstanceInfo {
   PP_Instance pp_instance;
   struct PP_Size last_size;
 
   struct InstanceInfo* next;
 };
 
@@ skipping 94 matching lines @@
     if (instance == cur->pp_instance) {
       *prev_ptr = cur->next;
       free(cur);
       return;
     }
     prev_ptr = &cur->next;
   }
 }
 
 void Instance_DidChangeView(PP_Instance pp_instance,
-                            const struct PP_Rect* position,
-                            const struct PP_Rect* clip) {
+                            PP_Resource view) {
+  struct PP_Rect position;
   struct InstanceInfo* info = FindInstance(pp_instance);
   if (!info)
     return;
 
-  if (info->last_size.width != position->size.width ||
-      info->last_size.height != position->size.height) {
+  if (g_view_interface->GetRect(view, &position) == PP_FALSE)
+    return;
+
+  if (info->last_size.width != position.size.width ||
+      info->last_size.height != position.size.height) {
     /* Got a resize, repaint the plugin. */
-    Repaint(info, &position->size);
-    info->last_size.width = position->size.width;
-    info->last_size.height = position->size.height;
+    Repaint(info, &position.size);
+    info->last_size.width = position.size.width;
+    info->last_size.height = position.size.height;
   }
 }
 
 void Instance_DidChangeFocus(PP_Instance pp_instance, PP_Bool has_focus) {
 }
 
 PP_Bool Instance_HandleDocumentLoad(PP_Instance pp_instance,
                                     PP_Resource pp_url_loader) {
   return PP_FALSE;
 }
@@ skipping 14 matching lines @@
   g_get_browser_interface = get_browser_interface;
 
   g_core_interface = (const struct PPB_Core*)
       get_browser_interface(PPB_CORE_INTERFACE);
   g_instance_interface = (const struct PPB_Instance*)
       get_browser_interface(PPB_INSTANCE_INTERFACE);
   g_image_data_interface = (const struct PPB_ImageData*)
       get_browser_interface(PPB_IMAGEDATA_INTERFACE);
   g_graphics_2d_interface = (const struct PPB_Graphics2D*)
       get_browser_interface(PPB_GRAPHICS_2D_INTERFACE);
+  g_view_interface = (const struct PPB_View*)
+      get_browser_interface(PPB_VIEW_INTERFACE);
   if (!g_core_interface || !g_instance_interface || !g_image_data_interface ||
-      !g_graphics_2d_interface)
+      !g_graphics_2d_interface || !g_view_interface)
     return -1;
 
   return PP_OK;
 }
 
 PP_EXPORT void PPP_ShutdownModule() {
 }
 
 PP_EXPORT const void* PPP_GetInterface(const char* interface_name) {
   if (strcmp(interface_name, PPP_INSTANCE_INTERFACE) == 0)
     return &instance_interface;
   return NULL;
 }