Make utility process run in-process when running in single-process mode.

content/public/common/content_client.cc

Index: content/public/common/content_client.cc
===================================================================
--- content/public/common/content_client.cc	(revision 209067)
+++ content/public/common/content_client.cc	(working copy)
@@ -30,6 +30,12 @@
     g_client->renderer_ = r;
     return rv;
   }
+
+  static ContentUtilityClient* SetUtility(ContentUtilityClient* u) {
+    ContentUtilityClient* rv = g_client->utility_;
+    g_client->utility_ = u;
+    return rv;
+  }
 };
 
 void SetContentClient(ContentClient* client) {
@@ -55,6 +61,10 @@
   return InternalTestInitializer::SetRenderer(r);
 }
 
+ContentUtilityClient* SetUtilityClientForTesting(ContentUtilityClient* u) {
+  return InternalTestInitializer::SetUtility(u);
+}
+
 const std::string& GetUserAgent(const GURL& url) {
   DCHECK(g_client);
   return webkit_glue::GetUserAgent(url);