Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/sync/profile_sync_service_autofill_unittest.cc

Index: chrome/browser/sync/profile_sync_service_autofill_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_autofill_unittest.cc b/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
index 9d8cbf312e7509a38639efa11f117935339f1461..3e73988e81430b7a247b3856e85013fdb5c68118 100644
--- a/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
@@ -624,7 +624,8 @@ class ProfileSyncServiceAutofillTest
 
     syncer::WriteNode node(&trans);
     std::string tag = AutocompleteSyncableService::KeyToTag(
-        UTF16ToUTF8(entry.key().name()), UTF16ToUTF8(entry.key().value()));
+        base::UTF16ToUTF8(entry.key().name()),
+        base::UTF16ToUTF8(entry.key().value()));
     syncer::WriteNode::InitUniqueByCreationResult result =
         node.InitUniqueByCreation(syncer::AUTOFILL, autofill_root, tag);
     if (result != syncer::WriteNode::INIT_SUCCESS)
@@ -680,8 +681,8 @@ class ProfileSyncServiceAutofillTest
       const sync_pb::AutofillSpecifics& autofill(
           child_node.GetAutofillSpecifics());
       if (autofill.has_value()) {
-        AutofillKey key(UTF8ToUTF16(autofill.name()),
-                        UTF8ToUTF16(autofill.value()));
+        AutofillKey key(base::UTF8ToUTF16(autofill.name()),
+                        base::UTF8ToUTF16(autofill.value()));
         std::vector<base::Time> timestamps;
         int timestamps_count = autofill.usage_timestamp_size();
         for (int i = 0; i < timestamps_count; ++i) {
@@ -748,7 +749,8 @@ class ProfileSyncServiceAutofillTest
     if (time_shift1 > 0)
       timestamps.push_back(base_time + TimeDelta::FromSeconds(time_shift1));
     return AutofillEntry(
-        AutofillKey(ASCIIToUTF16(name), ASCIIToUTF16(value)), timestamps);
+        AutofillKey(base::ASCIIToUTF16(name), base::ASCIIToUTF16(value)),
+        timestamps);
   }
 
   static AutofillEntry MakeAutofillEntry(const char* name,
@@ -845,10 +847,11 @@ class FakeServerUpdater : public base::RefCountedThreadSafe<FakeServerUpdater> {
 
     // Create autofill protobuf.
     std::string tag = AutocompleteSyncableService::KeyToTag(
-        UTF16ToUTF8(entry_.key().name()), UTF16ToUTF8(entry_.key().value()));
+        base::UTF16ToUTF8(entry_.key().name()),
+        base::UTF16ToUTF8(entry_.key().value()));
     sync_pb::AutofillSpecifics new_autofill;
-    new_autofill.set_name(UTF16ToUTF8(entry_.key().name()));
-    new_autofill.set_value(UTF16ToUTF8(entry_.key().value()));
+    new_autofill.set_name(base::UTF16ToUTF8(entry_.key().name()));
+    new_autofill.set_value(base::UTF16ToUTF8(entry_.key().value()));
     const std::vector<base::Time>& ts(entry_.timestamps());
     for (std::vector<base::Time>::const_iterator timestamp = ts.begin();
          timestamp != ts.end(); ++timestamp) {