content: Use stl utilities from the base namespace

content/browser/frame_host/frame_tree_node_blame_context_unittest.cc

Index: content/browser/frame_host/frame_tree_node_blame_context_unittest.cc
diff --git a/content/browser/frame_host/frame_tree_node_blame_context_unittest.cc b/content/browser/frame_host/frame_tree_node_blame_context_unittest.cc
index 7177dab3931984d4cf7b714d009305ee3815b849..83bda69994eedbfab092b8c1fb68f738c1c7c4ea 100644
--- a/content/browser/frame_host/frame_tree_node_blame_context_unittest.cc
+++ b/content/browser/frame_host/frame_tree_node_blame_context_unittest.cc
@@ -180,7 +180,7 @@ TEST_F(FrameTreeNodeBlameContextTest, FrameCreation) {
     EXPECT_NE(nullptr, node);
     if (event->HasArg("snapshot")) {
       ExpectFrameTreeNodeSnapshot(event);
-      EXPECT_FALSE(ContainsValue(snapshot_traced, node));
+      EXPECT_FALSE(base::ContainsValue(snapshot_traced, node));
       snapshot_traced.insert(node);
       std::string parent_id = GetParentNodeID(event);
       EXPECT_FALSE(parent_id.empty());
@@ -188,7 +188,7 @@ TEST_F(FrameTreeNodeBlameContextTest, FrameCreation) {
                 tree()->FindByID(strtol(parent_id.c_str(), nullptr, 16)));
     } else {
       EXPECT_EQ(TRACE_EVENT_PHASE_CREATE_OBJECT, event->phase);
-      EXPECT_FALSE(ContainsValue(creation_traced, node));
+      EXPECT_FALSE(base::ContainsValue(creation_traced, node));
       creation_traced.insert(node);
     }
   }
@@ -229,7 +229,7 @@ TEST_F(FrameTreeNodeBlameContextTest, FrameDeletion) {
   for (auto* event : events) {
     ExpectFrameTreeNodeObject(event);
     int id = strtol(event->id.c_str(), nullptr, 16);
-    EXPECT_TRUE(ContainsValue(node_ids, id));
+    EXPECT_TRUE(base::ContainsValue(node_ids, id));
     node_ids.erase(id);
   }
 }