Convert UtilityProcessHost to bootstrap Mojo Channel using the Shell connection

chrome/browser/safe_browsing/sandboxed_dmg_analyzer_mac_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 "chrome/browser/safe_browsing/sandboxed_dmg_analyzer_mac.h"
 
 #include <mach-o/loader.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/safe_browsing/zip_analyzer_results.h"
+#include "content/public/browser/shell_context.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace safe_browsing {
 namespace {
 
 class SandboxedDMGAnalyzerTest : public testing::Test {
  public:
   SandboxedDMGAnalyzerTest()
       : browser_thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
   }
 
+  void SetUp() override {
+    shell_context_ = content::ShellContext::Create();
+  }
+
   void AnalyzeFile(const base::FilePath& path,
                    zip_analyzer::Results* results) {
     base::RunLoop run_loop;
     ResultsGetter results_getter(run_loop.QuitClosure(), results);
     scoped_refptr<SandboxedDMGAnalyzer> analyzer(
         new SandboxedDMGAnalyzer(path, results_getter.GetCallback()));
     analyzer->Start();
     run_loop.Run();
   }
 
@@ skipping 26 matching lines @@
     }
 
     base::Closure next_closure_;
     zip_analyzer::Results* results_;
 
     DISALLOW_COPY_AND_ASSIGN(ResultsGetter);
   };
 
   content::TestBrowserThreadBundle browser_thread_bundle_;
   content::InProcessUtilityThreadHelper utility_thread_helper_;
+  std::unique_ptr<content::ShellContext> shell_context_;
 };
 
 TEST_F(SandboxedDMGAnalyzerTest, AnalyzeDMG) {
   base::FilePath path;
   ASSERT_NO_FATAL_FAILURE(path = GetFilePath("mach_o_in_dmg.dmg"));
 
   zip_analyzer::Results results;
   AnalyzeFile(path, &results);
 
   EXPECT_TRUE(results.success);
@@ skipping 49 matching lines @@
       ADD_FAILURE() << "Unepxected result file " << binary.file_basename();
     }
   }
 
   EXPECT_TRUE(got_executable);
   EXPECT_TRUE(got_dylib);
 }
 
 }  // namespace
 }  // namespace safe_browsing