Remove some dependencies I stumbled upon

content/browser/in_process_webkit/indexed_db_dispatcher_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/in_process_webkit/indexed_db_dispatcher_host.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/in_process_webkit/indexed_db_callbacks.h"
 #include "content/browser/in_process_webkit/indexed_db_context_impl.h"
 #include "content/browser/in_process_webkit/indexed_db_database_callbacks.h"
 #include "content/browser/in_process_webkit/indexed_db_transaction_callbacks.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDOMStringList.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBCursor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabase.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabaseError.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBIndex.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyRange.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBMetadata.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBObjectStore.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransaction.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
 #include "webkit/database/database_util.h"
 #include "webkit/glue/webkit_glue.h"
 
 using content::BrowserMessageFilter;
 using content::BrowserThread;
 using content::IndexedDBKey;
 using content::IndexedDBKeyPath;
 using content::IndexedDBKeyRange;
 using content::UserMetricsAction;
 using content::SerializedScriptValue;
 using webkit_database::DatabaseUtil;
 using WebKit::WebDOMStringList;
 using WebKit::WebExceptionCode;
 using WebKit::WebIDBCallbacks;
 using WebKit::WebIDBCursor;
 using WebKit::WebIDBDatabase;
-using WebKit::WebIDBDatabaseError;
 using WebKit::WebIDBIndex;
 using WebKit::WebIDBKey;
-using WebKit::WebIDBKeyPath;
-using WebKit::WebIDBKeyRange;
 using WebKit::WebIDBMetadata;
 using WebKit::WebIDBObjectStore;
 using WebKit::WebIDBTransaction;
 using WebKit::WebSecurityOrigin;
 using WebKit::WebSerializedScriptValue;
 using WebKit::WebVector;
 
 namespace {
 
 template <class T>
@@ skipping 1079 matching lines @@
 }
 
 void IndexedDBDispatcherHost::TransactionDispatcherHost::OnDestroyed(
     int32 object_id) {
   // TODO(dgrogan): This doesn't seem to be happening with some version change
   // transactions. Possibly introduced with integer version support.
   transaction_size_map_.erase(object_id);
   transaction_url_map_.erase(object_id);
   parent_->DestroyObject(&map_, object_id);
 }