Implemented Browser Plugin (NOT FOR REVIEW)

webkit/plugins/ppapi/plugin_module.cc

 // Copyright (c) 2012 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 "webkit/plugins/ppapi/plugin_module.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 460 matching lines @@
   callback_tracker_->AbortAll();
 
   if (entry_points_.shutdown_module)
     entry_points_.shutdown_module();
 
   if (library_)
     base::UnloadNativeLibrary(library_);
 
   // Notifications that we've been deleted should be last.
   HostGlobals::Get()->ModuleDeleted(pp_module_);
-  if (!is_crashed_) {
+  if (!is_crashed_ && lifetime_delegate_) {
     // When the plugin crashes, we immediately tell the lifetime delegate that
     // we're gone, so we don't want to tell it again.
     lifetime_delegate_->PluginModuleDead(this);
   }
 
   // Don't add stuff here, the two notifications that the module object has
   // been deleted should be last. This allows, for example,
   // PPB_Proxy.IsInModuleDestructor to map PP_Module to this class during the
   // previous parts of the destructor.
 }
@@ skipping 90 matching lines @@
 
 void PluginModule::PluginCrashed() {
   DCHECK(!is_crashed_);  // Should only get one notification.
   is_crashed_ = true;
 
   // Notify all instances that they crashed.
   for (PluginInstanceSet::iterator i = instances_.begin();
        i != instances_.end(); ++i)
     (*i)->InstanceCrashed();
 
-  lifetime_delegate_->PluginModuleDead(this);
+  if (lifetime_delegate_)
+    lifetime_delegate_->PluginModuleDead(this);
 }
 
 void PluginModule::SetReserveInstanceIDCallback(
     PP_Bool (*reserve)(PP_Module, PP_Instance)) {
   DCHECK(!reserve_instance_id_) << "Only expect one set.";
   reserve_instance_id_ = reserve;
 }
 
 bool PluginModule::ReserveInstanceID(PP_Instance instance) {
   if (reserve_instance_id_)
@@ skipping 16 matching lines @@
   int retval = entry_points.initialize_module(pp_module(), &GetInterface);
   if (retval != 0) {
     LOG(WARNING) << "PPP_InitializeModule returned failure " << retval;
     return false;
   }
   return true;
 }
 
 }  // namespace ppapi
 }  // namespace webkit