Change the DidChangeView update to take a new ViewChanged resource.

ppapi/thunk/ppb_view_thunk.cc

Index: ppapi/thunk/ppb_view_thunk.cc
diff --git a/ppapi/thunk/ppb_view_thunk.cc b/ppapi/thunk/ppb_view_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2615feaf437f51fce2aefdb763d3257d0bfd52a4
--- /dev/null
+++ b/ppapi/thunk/ppb_view_thunk.cc
@@ -0,0 +1,96 @@
+// 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 "ppapi/c/ppb_view.h"
+#include "ppapi/shared_impl/ppb_view_shared.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_view_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+typedef EnterResource<PPB_View_API> EnterView;
+
+bool IsRectVisible(const PP_Rect& rect) {
+  return rect.size.width > 0 && rect.size.height > 0;
+}
+
+PP_Bool IsView(PP_Resource resource) {
+  EnterView enter(resource, false);
+  return enter.succeeded() ? PP_TRUE : PP_FALSE;
+}
+
+PP_Bool GetSize(PP_Resource resource, PP_Size* size) {
+  EnterView enter(resource, true);
+  if (enter.failed() || !size)
+    return PP_FALSE;
+  *size = enter.object()->GetData().rect.size;
+  return PP_TRUE;
+}
+
+PP_Bool GetRect(PP_Resource resource, PP_Rect* viewport) {
+  EnterView enter(resource, true);
+  if (enter.failed() || !viewport)
+    return PP_FALSE;
+  *viewport = enter.object()->GetData().rect;
+  return PP_TRUE;
+}
+
+PP_Bool IsFullscreen(PP_Resource resource) {
+  EnterView enter(resource, true);
+  if (enter.failed())
+    return PP_FALSE;
+  return PP_FromBool(enter.object()->GetData().is_fullscreen);
+}
+
+PP_Bool IsUserVisible(PP_Resource resource) {
+  EnterView enter(resource, true);
+  if (enter.failed())
+    return PP_FALSE;
+  return PP_FromBool(enter.object()->GetData().is_page_visible &&
+                     IsRectVisible(enter.object()->GetData().clip_rect));
+}
+
+PP_Bool IsPageVisible(PP_Resource resource) {
+  EnterView enter(resource, true);
+  if (enter.failed())
+    return PP_FALSE;
+  return PP_FromBool(enter.object()->GetData().is_page_visible);
+}
+
+PP_Bool IsClipVisible(PP_Resource resource) {
+  EnterView enter(resource, true);
+  if (enter.failed())
+    return PP_FALSE;
+  return PP_FromBool(IsRectVisible(enter.object()->GetData().clip_rect));
+}
+
+PP_Bool GetClipRect(PP_Resource resource, PP_Rect* clip) {
+  EnterView enter(resource, true);
+  if (enter.failed() || !clip)
+    return PP_FALSE;
+  *clip = enter.object()->GetData().clip_rect;
+  return PP_TRUE;
+}
+
+const PPB_View g_ppb_view_thunk = {
+  &IsView,
+  &GetRect,
+  &IsFullscreen,
+  &IsUserVisible,
+  &IsPageVisible,
+  &GetClipRect
+};
+
+}  // namespace
+
+const PPB_View* GetPPB_View_Thunk() {
+  return &g_ppb_view_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi