Use WebIDBKeyPath type in WebKit API, implement IndexedDBKeyPath type.

content/renderer/renderer_webkitplatformsupport_impl.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/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
@@ skipping 313 matching lines @@
     if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess))
       web_idb_factory_.reset(WebIDBFactory::create());
     else
       web_idb_factory_.reset(new RendererWebIDBFactoryImpl());
   }
   return web_idb_factory_.get();
 }
 
 void RendererWebKitPlatformSupportImpl::createIDBKeysFromSerializedValuesAndKeyPath(
     const WebVector<WebSerializedScriptValue>& values,
-    const WebString& keyPath,
+    const WebIDBKeyPath& keyPath,
     WebVector<WebIDBKey>& keys_out) {
   DCHECK(CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess));
   WebVector<WebIDBKey> keys(values.size());
   for (size_t i = 0; i < values.size(); ++i) {
     keys[i] = WebIDBKey::createFromValueAndKeyPath(
-        values[i], WebIDBKeyPath::create(keyPath));
+        values[i], keyPath);
   }
   keys_out.swap(keys);
 }
 
 WebSerializedScriptValue
 RendererWebKitPlatformSupportImpl::injectIDBKeyIntoSerializedValue(
     const WebIDBKey& key,
     const WebSerializedScriptValue& value,
-    const WebString& keyPath) {
+    const WebIDBKeyPath& keyPath) {
   DCHECK(CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess));
   return WebIDBKey::injectIDBKeyIntoSerializedValue(
-      key, value, WebIDBKeyPath::create(keyPath));
+      key, value, keyPath);
 }
 
 //------------------------------------------------------------------------------
 
 WebFileSystem* RendererWebKitPlatformSupportImpl::fileSystem() {
   if (!web_file_system_.get())
     web_file_system_.reset(new WebFileSystemImpl());
   return web_file_system_.get();
 }
 
@@ skipping 365 matching lines @@
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 GpuChannelHostFactory*
 RendererWebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   return RenderThreadImpl::current();
 }