Move SessionStorageNamespace entirely into NavigationController and support StoragePartitions.

content/public/browser/content_browser_client.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/public/browser/content_browser_client.h"
 
 #include "base/file_path.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 143 matching lines @@
 QuotaPermissionContext* ContentBrowserClient::CreateQuotaPermissionContext() {
   return NULL;
 }
 
 net::URLRequestContext* ContentBrowserClient::OverrideRequestContextForURL(
     const GURL& url, ResourceContext* context) {
   return NULL;
 }
 
 std::string ContentBrowserClient::GetStoragePartitionIdForChildProcess(
-    content::BrowserContext* browser_context,
+    BrowserContext* browser_context,
     int child_process_id) {
   return std::string();
 }
 
+std::string ContentBrowserClient::GetStoragePartitionIdForSiteInstance(
+    BrowserContext* browser_context,
+    content::SiteInstance* instance) {
+  return std::string();
+}
+
+bool ContentBrowserClient::IsValidStoragePartitionId(
+    BrowserContext* browser_context,
+    const std::string& partition_id) {
+  // Since the GetStoragePartitionIdForChildProcess() only generates empty
+  // strings, we should only ever see empty strings coming back.
+  return partition_id.empty();
+}
+
 MediaObserver* ContentBrowserClient::GetMediaObserver() {
   return NULL;
 }
 
 WebKit::WebNotificationPresenter::Permission
     ContentBrowserClient::CheckDesktopNotificationPermission(
         const GURL& source_origin,
         ResourceContext* context,
         int render_process_id) {
   return WebKit::WebNotificationPresenter::PermissionAllowed;
@@ skipping 55 matching lines @@
 #endif
 
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
   return NULL;
 }
 #endif
 
 }  // namespace content