Convert UtilityProcessHost to bootstrap Mojo Channel using the Shell connection

chrome/browser/extensions/zipfile_installer_unittest.cc

Index: chrome/browser/extensions/zipfile_installer_unittest.cc
diff --git a/chrome/browser/extensions/zipfile_installer_unittest.cc b/chrome/browser/extensions/zipfile_installer_unittest.cc
index 90cbdc1fc723a91060f1b7d9cbb904978a0894e2..d0bcc5daaa7033b59f609d411a5879351197e30c 100644
--- a/chrome/browser/extensions/zipfile_installer_unittest.cc
+++ b/chrome/browser/extensions/zipfile_installer_unittest.cc
@@ -18,6 +18,7 @@
 #include "chrome/browser/extensions/zipfile_installer.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/base/testing_profile.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 "extensions/browser/extension_registry.h"
@@ -67,6 +68,8 @@ class ZipFileInstallerTest : public testing::Test {
     in_process_utility_thread_helper_.reset(
         new content::InProcessUtilityThreadHelper);
 
+    shell_context_ = content::ShellContext::Create();
+
     // Create profile for extension service.
     profile_.reset(new TestingProfile());
     TestExtensionSystem* system =
@@ -115,6 +118,7 @@ class ZipFileInstallerTest : public testing::Test {
   std::unique_ptr<content::InProcessUtilityThreadHelper>
       in_process_utility_thread_helper_;
   MockExtensionRegistryObserver observer_;
+  std::unique_ptr<content::ShellContext> shell_context_;
 
 #if defined(OS_CHROMEOS)
   chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;