Fix some bugs in paint manager. Some of the class members were not getting...

ppapi/cpp/paint_manager.cc

 // Copyright (c) 2010 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/cpp/paint_manager.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/logging.h"
 #include "ppapi/cpp/module.h"
 
 namespace pp {
 
 PaintManager::PaintManager()
     : instance_(NULL),
       client_(NULL),
       is_always_opaque_(false),
-      callback_factory_(NULL) {
+      callback_factory_(NULL),
+      manual_callback_pending_(false),
+      flush_pending_(false) {
   // Set the callback object outside of the initializer list to avoid a
   // compiler warning about using "this" in an initializer list.
   callback_factory_.Initialize(this);
 }
 
 PaintManager::PaintManager(Instance* instance,
                            Client* client,
                            bool is_always_opaque)
     : instance_(instance),
       client_(client),
       is_always_opaque_(is_always_opaque),
-      callback_factory_(NULL) {
+      callback_factory_(NULL),
+      manual_callback_pending_(false),
+      flush_pending_(false) {
   // Set the callback object outside of the initializer list to avoid a
   // compiler warning about using "this" in an initializer list.
   callback_factory_.Initialize(this);
 
   // You can not use a NULL client pointer.
   PP_DCHECK(client);
 }
 
 PaintManager::~PaintManager() {
 }
@@ skipping 119 matching lines @@
 }
 
 void PaintManager::OnManualCallbackComplete(int32_t) {
   PP_DCHECK(manual_callback_pending_);
   manual_callback_pending_ = false;
 
   // Just because we have a manual callback doesn't mean there are actually any
   // invalid regions. Even though we only schedule this callback when something
   // is pending, a Flush callback could have come in before this callback was
   // executed and that could have cleared the queue.
-  if (aggregator_.HasPendingUpdate())
+  if (aggregator_.HasPendingUpdate() && !flush_pending_)
     DoPaint();
 }
 
 }  // namespace pp