Revert of Make WebTraceLocation be an alias of tracked_objects::Location

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index d98ef6d22f424459d5bf30d26e82c6c036ca3344..6bc238d7608afd9bb18dcaa2348d733f057e2b55 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -443,7 +443,7 @@
       // TODO(alexclarke): Find a way to let blink and chromium FROM_HERE
       // coexist.
       web_task_runner_->postTask(
-          BLINK_FROM_HERE,
+          ::blink::WebTraceLocation(__FUNCTION__, __FILE__),
           new HandleDataURLTask(this));
     }
     defers_loading_ = NOT_DEFERRING;
@@ -477,7 +477,7 @@
       // TODO(alexclarke): Find a way to let blink and chromium FROM_HERE
       // coexist.
       web_task_runner_->postTask(
-          BLINK_FROM_HERE,
+          ::blink::WebTraceLocation(__FUNCTION__, __FILE__),
           new HandleDataURLTask(this));
     }
     return;