Removes crash keys for crbug.com/621730

third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp b/third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp
index b35c509c2cf782742d1d87ea594300cda8014b7c..a6cf607f8dfa686ead760241b3bbaf49d999e4e3 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8EventListener.cpp
@@ -92,28 +92,6 @@ v8::Local<v8::Value> V8EventListener::callListenerFunction(ScriptState* scriptSt
     if (scriptState->world().isMainWorld() && !frame->script().canExecuteScripts(AboutToExecuteScript))
         return v8::Local<v8::Value>();
 
-    // Temporary instrumentation for http://crbug.com/621730.
-    String scriptInfo;
-    if (event->type() == EventTypeNames::message) {
-        v8::HandleScope handleScope(isolate());
-        StringBuilder scriptInfoBuilder;
-        V8StringResource<> functionName = handlerFunction->GetDebugName();
-        if (functionName.prepare()) {
-            scriptInfoBuilder.append(static_cast<String>(functionName));
-        }
-        scriptInfoBuilder.append(':');
-        scriptInfoBuilder.appendNumber(handlerFunction->GetScriptLineNumber());
-        scriptInfoBuilder.append(':');
-        scriptInfoBuilder.appendNumber(handlerFunction->GetScriptColumnNumber());
-        scriptInfoBuilder.append(':');
-        V8StringResource<> scriptName = handlerFunction->GetScriptOrigin().ResourceName();
-        if (scriptName.prepare()) {
-            scriptInfoBuilder.append(static_cast<String>(scriptName));
-        }
-        scriptInfo = scriptInfoBuilder.toString();
-    }
-    WTF::debug::ScopedCrashKey("postmessage_script_info", scriptInfo.utf8().data());
-
     v8::Local<v8::Value> parameters[1] = { jsEvent };
     v8::Local<v8::Value> result;
     if (!V8ScriptRunner::callFunction(handlerFunction, frame->document(), receiver, WTF_ARRAY_LENGTH(parameters), parameters, scriptState->isolate()).ToLocal(&result))