Fix mojo_runner_unittests in debug builds.

mojo/runner/about_fetcher_unittest.cc

 // Copyright 2015 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/at_exit.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/application_impl.h"
 #include "mojo/application/public/cpp/interface_factory.h"
 #include "mojo/application/public/interfaces/content_handler.mojom.h"
 #include "mojo/common/weak_binding_set.h"
 #include "mojo/runner/about_fetcher.h"
+#include "mojo/runner/context.h"
 #include "mojo/shell/application_loader.h"
 #include "mojo/shell/application_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace runner {
 namespace {
 
 class TestContentHandler : public ApplicationDelegate,
                            public InterfaceFactory<ContentHandler>,
@@ skipping 108 matching lines @@
     application_manager_->ConnectToApplication(
         nullptr, request.Pass(), std::string(), GURL(),
         service_provider_request.Pass(), nullptr, shell::CapabilityFilter(),
         base::Closure());
 
     run_loop.Run();
   }
 
   // Overridden from testing::Test:
   void SetUp() override {
+    Context::EnsureEmbedderIsInitialized();
     application_manager_.reset(new shell::ApplicationManager(&test_delegate_));
     application_manager_->SetLoaderForURL(
         make_scoped_ptr(new TestLoader(&html_content_handler_)),
         GURL("test:html_content_handler"));
     application_manager_->RegisterContentHandler(
         "text/html", GURL("test:html_content_handler"));
   }
 
   void TearDown() override { application_manager_.reset(); }
 
@@ skipping 21 matching lines @@
 
 TEST_F(AboutFetcherTest, UnrecognizedURL) {
   ConnectAndWait("about:some_unrecognized_url");
 
   ASSERT_EQ(0u, html_content_handler()->response_number());
 }
 
 }  // namespace
 }  // namespace runner
 }  // namespace mojo