[tracing] Rename WebMemoryDumpLevelOfDetail enums to match chromium

public/platform/WebMemoryDumpProvider.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebMemoryDumpProvider_h
 #define WebMemoryDumpProvider_h
 
 #include "WebCommon.h"
 
 namespace blink {
 
 class WebProcessMemoryDump;
 
 // Used to specify the type of memory dump the WebMemoryDumpProvider should
 // generate on dump requests.
 enum class WebMemoryDumpLevelOfDetail {
-    Low,
-    High
+    Light,
+    Detailed
 };
 
 // Base interface to be part of the memory tracing infrastructure. Blink classes
 // can implement this interface and register themselves (see
 // Platform::registerMemoryDumpProvider()) to dump stats for their allocators.
 class BLINK_PLATFORM_EXPORT WebMemoryDumpProvider {
 public:
     virtual ~WebMemoryDumpProvider();
 
     // Called by the MemoryDumpManager when generating memory dumps.
     // WebMemoryDumpLevelOfDetail specifies the size of dump the embedders
     // should generate on dump requests. Embedders are expected to populate
     // the WebProcessMemoryDump* argument depending on the level and return true
     // on success or false if anything went wrong and the dump should be
     // considered invalid.
     virtual bool onMemoryDump(WebMemoryDumpLevelOfDetail, WebProcessMemoryDump*) = 0;
 };
 
 } // namespace blink
 
 #endif // WebMemoryDumpProvider_h