Remove application locale cache in autofill code.

components/autofill/browser/autofill_merge_unittest.cc

Index: components/autofill/browser/autofill_merge_unittest.cc
===================================================================
--- components/autofill/browser/autofill_merge_unittest.cc	(revision 192613)
+++ components/autofill/browser/autofill_merge_unittest.cc	(working copy)
@@ -82,7 +82,8 @@
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManagerMock);
 };
 
-PersonalDataManagerMock::PersonalDataManagerMock() : PersonalDataManager() {
+PersonalDataManagerMock::PersonalDataManagerMock()
+    : PersonalDataManager("en-US") {
 }
 
 PersonalDataManagerMock::~PersonalDataManagerMock() {
@@ -95,7 +96,7 @@
 void PersonalDataManagerMock::SaveImportedProfile(
     const AutofillProfile& profile) {
   std::vector<AutofillProfile> profiles;
-  if (!MergeProfile(profile, profiles_.get(), &profiles))
+  if (!MergeProfile(profile, profiles_.get(), "en-US", &profiles))
     profiles_.push_back(new AutofillProfile(profile));
 }