Refactoring: Unify WebMemoryAllocatorDump and WebMemoryAllocatorDumpImpl

third_party/WebKit/Source/platform/web_process_memory_dump_impl.h

Index: third_party/WebKit/Source/platform/web_process_memory_dump_impl.h
diff --git a/third_party/WebKit/Source/platform/web_process_memory_dump_impl.h b/third_party/WebKit/Source/platform/web_process_memory_dump_impl.h
index 2c5db22436002057f1408542bedd3703b7438b6f..2d62769a99a7fe4b9876dd24586ee0d6b83d1696 100644
--- a/third_party/WebKit/Source/platform/web_process_memory_dump_impl.h
+++ b/third_party/WebKit/Source/platform/web_process_memory_dump_impl.h
@@ -29,8 +29,6 @@ class SkiaTraceMemoryDumpImpl;
 
 namespace blink {
 
-class WebMemoryAllocatorDumpImpl;
-
 // Implements the blink::WebProcessMemoryDump interface by means of proxying the
 // calls to createMemoryAllocatorDump() to the underlying
 // base::trace_event::ProcessMemoryDump instance.
@@ -98,13 +96,13 @@ class PLATFORM_EXPORT WebProcessMemoryDumpImpl final
   // TODO(ssid): Remove it once this information is added to ProcessMemoryDump.
   base::trace_event::MemoryDumpLevelOfDetail level_of_detail_;
 
-  // Reverse index of MemoryAllocatorDump -> WebMemoryAllocatorDumpImpl wrapper.
+  // Reverse index of MemoryAllocatorDump -> WebMemoryAllocatorDump wrapper.
   // By design WebMemoryDumpProvider(s) are not supposed to hold the pointer
   // to the WebProcessMemoryDump passed as argument of the onMemoryDump() call.
   // Those pointers are valid only within the scope of the call and can be
   // safely torn down once the WebProcessMemoryDumpImpl itself is destroyed.
   HashMap<base::trace_event::MemoryAllocatorDump*,
-          OwnPtr<WebMemoryAllocatorDumpImpl>> memory_allocator_dumps_;
+          OwnPtr<WebMemoryAllocatorDump>> memory_allocator_dumps_;
 
   // Stores SkTraceMemoryDump for the current ProcessMemoryDump.
   std::vector<scoped_ptr<skia::SkiaTraceMemoryDumpImpl>> sk_trace_dump_list_;