Implement GetSkiaTraceMemoryDump and AddSuballocation on chrome blink platform impl

content/child/web_process_memory_dump_impl.cc

Index: content/child/web_process_memory_dump_impl.cc
diff --git a/content/child/web_process_memory_dump_impl.cc b/content/child/web_process_memory_dump_impl.cc
index 688b6c1616690ad85a52505759f6414de37044af..5fbab7195cd5e396d6b8b80e106fc809693ab102 100644
--- a/content/child/web_process_memory_dump_impl.cc
+++ b/content/child/web_process_memory_dump_impl.cc
@@ -6,19 +6,20 @@
 
 #include "base/trace_event/process_memory_dump.h"
 #include "content/child/web_memory_allocator_dump_impl.h"
+#include "skia/ext/SkTraceMemoryDump_chrome.h"
 
 namespace content {
 
 WebProcessMemoryDumpImpl::WebProcessMemoryDumpImpl()
     : owned_process_memory_dump_(
           new base::trace_event::ProcessMemoryDump(nullptr)),
-      process_memory_dump_(owned_process_memory_dump_.get()) {
-}
+      process_memory_dump_(owned_process_memory_dump_.get()),
+      dump_args_(nullptr) {}
 
 WebProcessMemoryDumpImpl::WebProcessMemoryDumpImpl(
+    const base::trace_event::MemoryDumpArgs* dump_args,
     base::trace_event::ProcessMemoryDump* process_memory_dump)
-    : process_memory_dump_(process_memory_dump) {
-}
+    : process_memory_dump_(process_memory_dump), dump_args_(dump_args) {}
 
 WebProcessMemoryDumpImpl::~WebProcessMemoryDumpImpl() {
 }
@@ -132,4 +133,20 @@ void WebProcessMemoryDumpImpl::AddOwnershipEdge(
       base::trace_event::MemoryAllocatorDumpGuid(target));
 }
 
+void WebProcessMemoryDumpImpl::AddSuballocation(
+    blink::WebMemoryAllocatorDumpGuid source,
+    const blink::WebString& targetNodeName) {
+  process_memory_dump_->AddSuballocation(
+      base::trace_event::MemoryAllocatorDumpGuid(source),
+      targetNodeName.utf8());
+}
+
+SkTraceMemoryDump* WebProcessMemoryDumpImpl::CreateDumpAdapterForSkia(
+    const blink::WebString& dumpNamePrefix) {
+  sk_trace_dump_list_.push_back(new skia::SkTraceMemoryDump_Chrome(
+      dumpNamePrefix.utf8().data(), dump_args_.level_of_detail,
+      process_memory_dump_));
+  return sk_trace_dump_list_.back();
+}
+
 }  // namespace content