Revert of Add task location information to ExecutionContext

Source/modules/webdatabase/DatabaseTracker.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "modules/webdatabase/Database.h"
 #include "modules/webdatabase/DatabaseClient.h"
 #include "modules/webdatabase/DatabaseContext.h"
 #include "modules/webdatabase/QuotaTracker.h"
 #include "modules/webdatabase/sqlite/SQLiteFileSystem.h"
 #include "platform/weborigin/DatabaseIdentifier.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityOriginHash.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebDatabaseObserver.h"
-#include "public/platform/WebTraceLocation.h"
 #include "wtf/Assertions.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 static void databaseClosed(Database* database)
 {
     if (Platform::current()->databaseObserver()) {
         Platform::current()->databaseObserver()->databaseClosed(
             createDatabaseIdentifierFromSecurityOrigin(database->securityOrigin()),
@@ skipping 98 matching lines @@
         nameMap->remove(name);
         delete databaseSet;
         if (nameMap->isEmpty()) {
             m_openDatabaseMap->remove(originIdentifier);
             delete nameMap;
         }
     }
 
     ExecutionContext* executionContext = database->databaseContext()->executionContext();
     if (!executionContext->isContextThread())
-        executionContext->postTask(FROM_HERE, NotifyDatabaseObserverOnCloseTask::create(database));
+        executionContext->postTask(NotifyDatabaseObserverOnCloseTask::create(database));
     else
         databaseClosed(database);
 }
 
 void DatabaseTracker::prepareToOpenDatabase(Database* database)
 {
     ASSERT(database->databaseContext()->executionContext()->isContextThread());
     if (Platform::current()->databaseObserver()) {
         Platform::current()->databaseObserver()->databaseOpened(
             createDatabaseIdentifierFromSecurityOrigin(database->securityOrigin()),
             database->stringIdentifier(),
             database->displayName(),
             database->estimatedSize());
     }
 }
 
 void DatabaseTracker::failedToOpenDatabase(Database* database)
 {
     ExecutionContext* executionContext = database->databaseContext()->executionContext();
     if (!executionContext->isContextThread())
-        executionContext->postTask(FROM_HERE, NotifyDatabaseObserverOnCloseTask::create(database));
+        executionContext->postTask(NotifyDatabaseObserverOnCloseTask::create(database));
     else
         databaseClosed(database);
 }
 
 unsigned long long DatabaseTracker::getMaxSizeForDatabase(const Database* database)
 {
     unsigned long long spaceAvailable = 0;
     unsigned long long databaseSize = 0;
     QuotaTracker::instance().getDatabaseSizeAndSpaceAvailableToOrigin(
         createDatabaseIdentifierFromSecurityOrigin(database->securityOrigin()),
@@ skipping 35 matching lines @@
     DatabaseNameMap* nameMap = m_openDatabaseMap->get(originIdentifier);
     if (!nameMap)
         return;
 
     DatabaseSet* databaseSet = nameMap->get(name);
     if (!databaseSet)
         return;
 
     // We have to call closeImmediately() on the context thread.
     for (DatabaseSet::iterator it = databaseSet->begin(); it != databaseSet->end(); ++it)
-        (*it)->databaseContext()->executionContext()->postTask(FROM_HERE, CloseOneDatabaseImmediatelyTask::create(originIdentifier, name, *it));
+        (*it)->databaseContext()->executionContext()->postTask(CloseOneDatabaseImmediatelyTask::create(originIdentifier, name, *it));
 }
 
 void DatabaseTracker::closeOneDatabaseImmediately(const String& originIdentifier, const String& name, Database* database)
 {
     // First we have to confirm the 'database' is still in our collection.
     {
         MutexLocker openDatabaseMapLock(m_openDatabaseMapGuard);
         if (!m_openDatabaseMap)
             return;
 
         DatabaseNameMap* nameMap = m_openDatabaseMap->get(originIdentifier);
         if (!nameMap)
             return;
 
         DatabaseSet* databaseSet = nameMap->get(name);
         if (!databaseSet)
             return;
 
         DatabaseSet::iterator found = databaseSet->find(database);
         if (found == databaseSet->end())
             return;
     }
 
     // And we have to call closeImmediately() without our collection lock being held.
     database->closeImmediately();
 }
 
 } // namespace blink