Implement the getRequestDetails api in chrome side.

content/child/web_process_memory_dump_impl.cc

 // 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 "content/child/web_process_memory_dump_impl.h"
 
 #include "base/trace_event/process_memory_dump.h"
 #include "content/child/web_memory_allocator_dump_impl.h"
 #include "skia/ext/SkTraceMemoryDump_chrome.h"
 
@@ skipping 126 matching lines @@
     blink::WebMemoryAllocatorDumpGuid source,
     const blink::WebString& targetNodeName) {
   process_memory_dump_->AddSuballocation(
       base::trace_event::MemoryAllocatorDumpGuid(source),
       targetNodeName.utf8());
 }
 
 SkTraceMemoryDump* WebProcessMemoryDumpImpl::CreateDumpAdapterForSkia(
     blink::WebMemoryDumpLevelOfDetail levelOfDetail,
     const blink::WebString& dumpNamePrefix) {
+  base::trace_event::MemoryDumpArgs args = {
+      levelOfDetail == blink::WebMemoryDumpLevelOfDetail::Low
+          ? base::trace_event::MemoryDumpArgs::LevelOfDetail::LOW
+          : base::trace_event::MemoryDumpArgs::LevelOfDetail::HIGH};
   sk_trace_dump_list_.push_back(new skia::SkTraceMemoryDump_Chrome(
-      dumpNamePrefix.utf8().data(), process_memory_dump_));
+      dumpNamePrefix.utf8().data(), args, process_memory_dump_));
   return sk_trace_dump_list_.back();
 }
 
 }  // namespace content