Revert of Add task location information to ExecutionContext

Source/modules/filesystem/DOMFileSystem.h

Index: Source/modules/filesystem/DOMFileSystem.h
diff --git a/Source/modules/filesystem/DOMFileSystem.h b/Source/modules/filesystem/DOMFileSystem.h
index 4cab9dc0b0e37fc3f1fd1d7a58dd268600db2b84..5f3db6aead21088b39d02cb3c573af4ef1a0839f 100644
--- a/Source/modules/filesystem/DOMFileSystem.h
+++ b/Source/modules/filesystem/DOMFileSystem.h
@@ -38,7 +38,6 @@
 #include "modules/filesystem/DOMFileSystemBase.h"
 #include "modules/filesystem/EntriesCallback.h"
 #include "platform/heap/Handle.h"
-#include "public/platform/WebTraceLocation.h"
 
 namespace blink {
 
@@ -203,7 +202,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackRefPtrArgTask<CB, CBArg>(callback, arg)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackRefPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
@@ -211,7 +210,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackPtrArgTask<CB, CBArg>(callback, arg)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
@@ -219,7 +218,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackNonPtrArgTask<CB, PersistentHeapVector<CBArg>>(callback, arg)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackNonPtrArgTask<CB, PersistentHeapVector<CBArg>>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
@@ -227,7 +226,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackNonPtrArgTask<CB, CBArg>(callback, arg)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackNonPtrArgTask<CB, CBArg>(callback, arg)));
 }
 
 template <typename CB, typename CBArg>
@@ -235,7 +234,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackNonPtrArgTask<CB, Persistent<CBArg>>(callback, arg)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackNonPtrArgTask<CB, Persistent<CBArg>>(callback, arg)));
 }
 
 template <typename CB>
@@ -243,7 +242,7 @@
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
-        executionContext->postTask(FROM_HERE, adoptPtr(new DispatchCallbackNoArgTask<CB>(callback)));
+        executionContext->postTask(adoptPtr(new DispatchCallbackNoArgTask<CB>(callback)));
 }
 
 } // namespace blink