Remove C::swap(C*) where C = Hash{Map,Set}<T>.

third_party/WebKit/Source/platform/heap/HeapTest.cpp

Index: third_party/WebKit/Source/platform/heap/HeapTest.cpp
diff --git a/third_party/WebKit/Source/platform/heap/HeapTest.cpp b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
index 0e6147d866af2f9fe23a6f33b467ce4add982ca7..5adcc2bb7161094a3f38d5e17c318a8c8f9d3fe5 100644
--- a/third_party/WebKit/Source/platform/heap/HeapTest.cpp
+++ b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
@@ -2779,7 +2779,7 @@ TEST(HeapTest, HeapCollectionTypes)
             set2->swap(cset2);
             set->swap(cset2);
             cset1.swap(cset2);
-            cset2.swap(set2);
+            cset2.swap(*set2);
 
             MemberCountedSet& cCountedSet = container->set3;
             set3->swap(cCountedSet);
@@ -2787,10 +2787,10 @@ TEST(HeapTest, HeapCollectionTypes)
             set3->swap(cCountedSet);
 
             // Triple swap.
-            container->map.swap(memberMember2);
+            container->map.swap(*memberMember2);
             MemberMember& containedMap = container->map;
             memberMember3->swap(containedMap);
-            memberMember3->swap(memberMember);
+            memberMember3->swap(*memberMember);
 
             EXPECT_TRUE(memberMember->get(one) == two);
             EXPECT_TRUE(memberMember->get(two) == three);