Use WebIDBKeyPath type in WebKit API, implement IndexedDBKeyPath type.

webkit/support/test_webkit_platform_support.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 "webkit/support/test_webkit_platform_support.h"
 
 #include "base/file_util.h"
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 312 matching lines @@
     const WebKit::WebString& path, unsigned quota) {
   return dom_storage_system_.CreateLocalStorageNamespace();
 }
 
 WebKit::WebIDBFactory* TestWebKitPlatformSupport::idbFactory() {
   return WebKit::WebIDBFactory::create();
 }
 
 void TestWebKitPlatformSupport::createIDBKeysFromSerializedValuesAndKeyPath(
       const WebKit::WebVector<WebKit::WebSerializedScriptValue>& values,
-      const WebKit::WebString& keyPath,
+      const WebKit::WebIDBKeyPath& keyPath,
       WebKit::WebVector<WebKit::WebIDBKey>& keys_out) {
   WebKit::WebVector<WebKit::WebIDBKey> keys(values.size());
   for (size_t i = 0; i < values.size(); ++i) {
     keys[i] = WebKit::WebIDBKey::createFromValueAndKeyPath(
-        values[i], WebKit::WebIDBKeyPath::create(keyPath));
+        values[i], keyPath);
   }
   keys_out.swap(keys);
 }
 
 WebKit::WebSerializedScriptValue
 TestWebKitPlatformSupport::injectIDBKeyIntoSerializedValue(
     const WebKit::WebIDBKey& key,
     const WebKit::WebSerializedScriptValue& value,
-    const WebKit::WebString& keyPath) {
+    const WebKit::WebIDBKeyPath& keyPath) {
   return WebKit::WebIDBKey::injectIDBKeyIntoSerializedValue(
-      key, value, WebKit::WebIDBKeyPath::create(keyPath));
+      key, value, keyPath);
 }
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
 void TestWebKitPlatformSupport::SetThemeEngine(WebKit::WebThemeEngine* engine) {
   active_theme_engine_ = engine ?
       engine : WebKitPlatformSupportImpl::themeEngine();
 }
 
 WebKit::WebThemeEngine* TestWebKitPlatformSupport::themeEngine() {
   return active_theme_engine_;
@@ skipping 81 matching lines @@
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return SimpleResourceLoaderBridge::Create(request_info);
 }
 
 webkit_glue::WebSocketStreamHandleBridge*
 TestWebKitPlatformSupport::CreateWebSocketBridge(
     WebKit::WebSocketStreamHandle* handle,
     webkit_glue::WebSocketStreamHandleDelegate* delegate) {
   return SimpleSocketStreamBridge::Create(handle, delegate);
 }