Use ScopedTaskEnvironment instead of MessageLoop in tests that use v8.

content/test/ppapi_unittest.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 "content/test/ppapi_unittest.h"
 
 #include <stdint.h>
 
-#include "base/message_loop/message_loop.h"
 #include "content/renderer/pepper/gfx_conversion.h"
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 #include "content/renderer/pepper/plugin_module.h"
 #include "content/renderer/pepper/renderer_ppapi_host_impl.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppp_instance.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/ppapi_permissions.h"
@@ skipping 51 matching lines @@
   DCHECK(!current_unittest);
   current_unittest = this;
 }
 
 PpapiUnittest::~PpapiUnittest() {
   DCHECK(current_unittest == this);
   current_unittest = NULL;
 }
 
 void PpapiUnittest::SetUp() {
-  message_loop_.reset(new base::MessageLoop());
-
   // Initialize the mock module.
   ppapi::PpapiPermissions perms;
   module_ = new PluginModule("Mock plugin", "1.0", base::FilePath(),
                              perms);
   ppapi::PpapiGlobals::Get()->ResetMainThreadMessageLoopForTesting();
   PepperPluginInfo::EntryPoints entry_points;
   entry_points.get_interface = &MockGetInterface;
   entry_points.initialize_module = &MockInitializeModule;
   ASSERT_TRUE(module_->InitAsInternalPlugin(entry_points));
 
   // Initialize renderer ppapi host.
   CHECK(RendererPpapiHostImpl::CreateOnModuleForInProcess(module(), perms));
   CHECK(module_->renderer_ppapi_host());
 
   // Initialize the mock instance.
   instance_ = PepperPluginInstanceImpl::Create(NULL, module(), NULL, GURL());
 }
 
 void PpapiUnittest::TearDown() {
   instance_ = NULL;
   module_ = NULL;
-  message_loop_.reset();
   PluginModule::ResetHostGlobalsForTest();
 }
 
 const void* PpapiUnittest::GetMockInterface(const char* interface_name) const {
   if (strcmp(interface_name, PPP_INSTANCE_INTERFACE_1_0) == 0)
     return &mock_instance_interface;
   return NULL;
 }
 
 void PpapiUnittest::ShutdownModule() {
   DCHECK(instance_->HasOneRef());
   instance_ = NULL;
   DCHECK(module_->HasOneRef());
   module_ = NULL;
 }
 
 void PpapiUnittest::SetViewSize(int width, int height) const {
   instance_->view_data_.rect = PP_FromGfxRect(gfx::Rect(0, 0, width, height));
   instance_->view_data_.clip_rect = instance_->view_data_.rect;
 }
 
 }  // namespace content