mojo: shell::Context should outlive the shell MessageLoop

mojo/shell/dynamic_service_loader_unittest.cc

 // Copyright 2014 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 "base/files/scoped_temp_dir.h"
 #include "mojo/shell/context.h"
 #include "mojo/shell/dynamic_service_loader.h"
 #include "mojo/shell/dynamic_service_runner.h"
 #include "net/base/filename_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 37 matching lines @@
   TestState* state_;
 };
 
 }  // namespace
 
 class DynamicServiceLoaderTest : public testing::Test {
  public:
   DynamicServiceLoaderTest() {}
   virtual ~DynamicServiceLoaderTest() {}
   virtual void SetUp() OVERRIDE {
+    context_.Init();
     scoped_ptr<DynamicServiceRunnerFactory> factory(
         new TestDynamicServiceRunnerFactory(&state_));
     loader_.reset(new DynamicServiceLoader(&context_, factory.Pass()));
   }
  protected:
+  Context context_;
   base::MessageLoop loop_;
-  Context context_;
   scoped_ptr<DynamicServiceLoader> loader_;
   TestState state_;
 };
 
 TEST_F(DynamicServiceLoaderTest, DoesNotExist) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   base::FilePath nonexistent_file(FILE_PATH_LITERAL("nonexistent.txt"));
   GURL url(net::FilePathToFileURL(temp_dir.path().Append(nonexistent_file)));
   MessagePipe pipe;
   loader_->LoadService(context_.service_manager(), url, pipe.handle0.Pass());
   loop_.Run();
   EXPECT_FALSE(state_.runner_was_started);
   EXPECT_TRUE(state_.runner_was_destroyed);
 }
 
 }  // namespace shell
 }  // namespace mojo