Fix memory leaks in tests caused by not tearing down TemplateUrlService correctly.

chrome/browser/search_engines/template_url_service.cc

Index: chrome/browser/search_engines/template_url_service.cc
diff --git a/chrome/browser/search_engines/template_url_service.cc b/chrome/browser/search_engines/template_url_service.cc
index 1472068b6f181512631b0849a9738a4f8038c19c..63cf81f88fab78243cfafb62aa7726cdc7867772 100644
--- a/chrome/browser/search_engines/template_url_service.cc
+++ b/chrome/browser/search_engines/template_url_service.cc
@@ -306,6 +306,9 @@ TemplateURLService::TemplateURLService(const Initializer* initializers,
 }
 
 TemplateURLService::~TemplateURLService() {
+  if (service_)
+    Shutdown();
+  STLDeleteElements(&template_urls_);
 }
 
 // static
@@ -881,7 +884,6 @@ void TemplateURLService::Shutdown() {
     service_->CancelRequest(load_handle_);
   }
   service_ = NULL;
-  STLDeleteElements(&template_urls_);
 }
 
 void TemplateURLService::OnSyncedDefaultSearchProviderGUIDChanged() {