Process names, and predictable thread and process ordering in about:tracing

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 1b78bbc544078ef863b7af62c2a49ab8f0d093b1..685af91bebb78f0a715efa22b4c6b07bc6fc5628 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -955,6 +955,9 @@ RenderViewImpl::~RenderViewImpl() {
   if (decrement_shared_popup_at_destruction_)
     shared_popup_counter_->data--;
 
+  base::debug::TraceLog::GetInstance()->RemoveProcessLabel(
+      reinterpret_cast<int>(this));
+
   // If file chooser is still waiting for answer, dispatch empty answer.
   while (!file_chooser_completions_.empty()) {
     if (file_chooser_completions_.front()->completion) {
@@ -1941,6 +1944,9 @@ void RenderViewImpl::UpdateTitle(WebFrame* frame,
   if (frame->parent())
     return;
 
+  base::debug::TraceLog::GetInstance()->UpdateProcessLabel(
+      reinterpret_cast<int>(this), UTF16ToUTF8(title));
+
   string16 shortened_title = title.substr(0, kMaxTitleChars);
   Send(new ViewHostMsg_UpdateTitle(routing_id_, page_id_, shortened_title,
                                    title_direction));