[tracing] Rename WebMemoryDumpLevelOfDetail enums to match chromium

Source/platform/heap/BlinkGCMemoryDumpProvider.cpp

 // 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.
 
 #include "config.h"
 #include "platform/heap/BlinkGCMemoryDumpProvider.h"
 
 #include "platform/heap/Handle.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMemoryAllocatorDump.h"
@@ skipping 25 matching lines @@
     DEFINE_STATIC_LOCAL(BlinkGCMemoryDumpProvider, instance, ());
     return &instance;
 }
 
 BlinkGCMemoryDumpProvider::~BlinkGCMemoryDumpProvider()
 {
 }
 
 bool BlinkGCMemoryDumpProvider::onMemoryDump(WebMemoryDumpLevelOfDetail levelOfDetail, blink::WebProcessMemoryDump* memoryDump)
 {
-    if (levelOfDetail == WebMemoryDumpLevelOfDetail::Low) {
+    if (levelOfDetail == WebMemoryDumpLevelOfDetail::Light) {
         dumpMemoryTotals(memoryDump);
         return true;
     }
 
     Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::TakeSnapshot, Heap::ForcedGC);
     dumpMemoryTotals(memoryDump);
 
     // Merge all dumps collected by Heap::collectGarbage.
     memoryDump->takeAllDumpsFrom(m_currentProcessMemoryDump.get());
     return true;
 }
 
 WebMemoryAllocatorDump* BlinkGCMemoryDumpProvider::createMemoryAllocatorDumpForCurrentGC(const String& absoluteName)
 {
     return m_currentProcessMemoryDump->createMemoryAllocatorDump(absoluteName);
 }
 
 void BlinkGCMemoryDumpProvider::clearProcessDumpForCurrentGC()
 {
     m_currentProcessMemoryDump->clear();
 }
 
 BlinkGCMemoryDumpProvider::BlinkGCMemoryDumpProvider()
     : m_currentProcessMemoryDump(adoptPtr(Platform::current()->createProcessMemoryDump()))
 {
 }
 
 } // namespace blink