chrome: Use stl utilities from the base namespace

chrome/browser/media_galleries/gallery_watch_manager_unittest.cc

Index: chrome/browser/media_galleries/gallery_watch_manager_unittest.cc
diff --git a/chrome/browser/media_galleries/gallery_watch_manager_unittest.cc b/chrome/browser/media_galleries/gallery_watch_manager_unittest.cc
index 0c7388c4cffc874b7336f03b47aef0d7552cc4d6..517c852840d4807604705f03432f30ad811c6dca 100644
--- a/chrome/browser/media_galleries/gallery_watch_manager_unittest.cc
+++ b/chrome/browser/media_galleries/gallery_watch_manager_unittest.cc
@@ -239,22 +239,22 @@ TEST_F(GalleryWatchManagerTest, AddAndRemoveTwoWatches) {
   MediaGalleryPrefIdSet set1 =
       manager()->GetWatchSet(profile(), extension()->id());
   EXPECT_EQ(1u, set1.size());
-  EXPECT_TRUE(ContainsKey(set1, id1));
+  EXPECT_TRUE(base::ContainsKey(set1, id1));
 
   // Test that the second watch was added correctly too.
   AddAndConfirmWatch(id2);
   MediaGalleryPrefIdSet set2 =
       manager()->GetWatchSet(profile(), extension()->id());
   EXPECT_EQ(2u, set2.size());
-  EXPECT_TRUE(ContainsKey(set2, id1));
-  EXPECT_TRUE(ContainsKey(set2, id2));
+  EXPECT_TRUE(base::ContainsKey(set2, id1));
+  EXPECT_TRUE(base::ContainsKey(set2, id2));
 
   // Remove first watch and test that the second is still in there.
   manager()->RemoveWatch(profile(), extension()->id(), id1);
   MediaGalleryPrefIdSet set3 =
       manager()->GetWatchSet(profile(), extension()->id());
   EXPECT_EQ(1u, set3.size());
-  EXPECT_TRUE(ContainsKey(set3, id2));
+  EXPECT_TRUE(base::ContainsKey(set3, id2));
 
   // Try removing the first watch again and test that it has no effect.
   manager()->RemoveWatch(profile(), extension()->id(), id1);