Removes crash keys for crbug.com/621730

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index 785f15887741aa1562e9c8c165092844f43adf85..813f4661a05a8ea7de3ef1305a44c2e2a0394ae8 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -79,7 +79,6 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebFrameScheduler.h"
 #include "public/platform/WebScreenInfo.h"
-#include "wtf/debug/CrashLogging.h"
 #include <memory>
 
 namespace blink {
@@ -688,11 +687,6 @@ void LocalDOMWindow::postMessageTimerFired(PostMessageTimer* timer)
 
     event->entangleMessagePorts(document());
 
-    // Temporary instrumentation for http://crbug.com/621730.
-    WTF::debug::ScopedCrashKey("postmessage_src_origin", event->origin().utf8().data());
-    WTF::debug::ScopedCrashKey("postmessage_dst_origin", document()->getSecurityOrigin()->toRawString().utf8().data());
-    WTF::debug::ScopedCrashKey("postmessage_dst_url", document()->url().getString().utf8().data());
-
     dispatchMessageEventWithOriginCheck(timer->targetOrigin(), event, timer->takeLocation());
 }