Revert of Add task location information to ExecutionContext

Source/modules/webaudio/ScriptProcessorNode.cpp

Index: Source/modules/webaudio/ScriptProcessorNode.cpp
diff --git a/Source/modules/webaudio/ScriptProcessorNode.cpp b/Source/modules/webaudio/ScriptProcessorNode.cpp
index d425ae890aafa46f398205c386ede83dc41883f6..197097c2c423801f343eb851c21624cbabb9e6ac 100644
--- a/Source/modules/webaudio/ScriptProcessorNode.cpp
+++ b/Source/modules/webaudio/ScriptProcessorNode.cpp
@@ -229,7 +229,7 @@
         } else if (context()->executionContext()) {
             // Fire the event on the main thread, not this one (which is the realtime audio thread).
             m_doubleBufferIndexForEvent = m_doubleBufferIndex;
-            context()->executionContext()->postTask(FROM_HERE, createCrossThreadTask(&ScriptProcessorNode::fireProcessEvent, this));
+            context()->executionContext()->postTask(createCrossThreadTask(&ScriptProcessorNode::fireProcessEvent, this));
         }
 
         swapBuffers();