Move sandboxed_unpacker.{h,cc} from chrome/ to extensions/

extensions/browser/extensions_test.cc

Index: extensions/browser/extensions_test.cc
diff --git a/extensions/browser/extensions_test.cc b/extensions/browser/extensions_test.cc
index 5b7a8ce486ae7966a356bd192e1c0c0d71779dd7..10499c395b6d53693cd7c80379b783d60c97f6c1 100644
--- a/extensions/browser/extensions_test.cc
+++ b/extensions/browser/extensions_test.cc
@@ -9,6 +9,7 @@
 #include "content/public/common/content_client.h"
 #include "content/public/test/test_browser_context.h"
 #include "extensions/browser/test_extensions_browser_client.h"
+#include "extensions/test/test_content_utility_client.h"
 
 namespace extensions {
 
@@ -22,11 +23,13 @@ namespace extensions {
 // };
 ExtensionsTest::ExtensionsTest()
     : content_client_(new content::ContentClient),
+      utility_content_client_(new TestContentUtilityClient),
       content_browser_client_(new content::ContentBrowserClient),
       browser_context_(new content::TestBrowserContext),
       extensions_browser_client_(
           new TestExtensionsBrowserClient(browser_context_.get())) {
   content::SetContentClient(content_client_.get());
+  content::SetUtilityClientForTesting(utility_content_client_.get());
   content::SetBrowserClientForTesting(content_browser_client_.get());
   ExtensionsBrowserClient::Set(extensions_browser_client_.get());
 }