Use a temp data dir for IDB tests so persistence can be verified.

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 306 matching lines @@
 WebKit::WebString TestWebKitPlatformSupport::defaultLocale() {
   return ASCIIToUTF16("en-US");
 }
 
 WebKit::WebStorageNamespace*
 TestWebKitPlatformSupport::createLocalStorageNamespace(
     const WebKit::WebString& path, unsigned quota) {
   return dom_storage_system_.CreateLocalStorageNamespace();
 }
 
+// Wrap a WebKit::WebIDBFactory to rewrite the data directory to
+// a scoped temp directory. In multiprocess Chromium this is rewritten
+// to a real profile directory during IPC.
+class TestWebIDBFactory : public WebKit::WebIDBFactory {
+ public:
+  TestWebIDBFactory()
+      : factory_(WebKit::WebIDBFactory::create()) {
+    // Create a new temp directory for Indexed DB storage, specific to this
+    // factory. If this fails, WebKit uses in-memory storage.
+    if (!indexed_db_dir_.CreateUniqueTempDir()) {
+      LOG(WARNING) << "Failed to create a temp dir for Indexed DB, "
+          "using in-memory storage.";
+      DCHECK(indexed_db_dir_.path().empty());
+    }
+    data_dir_ = webkit_support::GetAbsoluteWebStringFromUTF8Path(
+      indexed_db_dir_.path().AsUTF8Unsafe());
+  }
+
+  virtual void getDatabaseNames(WebKit::WebIDBCallbacks* callbacks,
+                                const WebKit::WebSecurityOrigin& origin,
+                                WebKit::WebFrame* frame,
+                                const WebString& dataDir) {
+    factory_->getDatabaseNames(callbacks, origin, frame,
+                               dataDir.isEmpty() ? data_dir_ : dataDir);
+  }
+
+  virtual void open(const WebString& name,
+                    WebKit::WebIDBCallbacks* callbacks,
+                    const WebKit::WebSecurityOrigin& origin,
+                    WebKit::WebFrame* frame,
+                    const WebString& dataDir) {
+    factory_->open(name, callbacks, origin, frame,
+                   dataDir.isEmpty() ? data_dir_ : dataDir);
+  }
+
+  virtual void deleteDatabase(const WebString& name,
+                              WebKit::WebIDBCallbacks* callbacks,
+                              const WebKit::WebSecurityOrigin& origin,
+                              WebKit::WebFrame* frame,
+                              const WebString& dataDir) {
+    factory_->deleteDatabase(name, callbacks, origin, frame,
+                             dataDir.isEmpty() ? data_dir_ : dataDir);
+  }
+ private:
+  scoped_ptr<WebIDBFactory> factory_;
+  ScopedTempDir indexed_db_dir_;
+  WebString data_dir_;
+};
+
 WebKit::WebIDBFactory* TestWebKitPlatformSupport::idbFactory() {
-  return WebKit::WebIDBFactory::create();
+  return new TestWebIDBFactory();
 }
 
 void TestWebKitPlatformSupport::createIDBKeysFromSerializedValuesAndKeyPath(
       const WebKit::WebVector<WebKit::WebSerializedScriptValue>& values,
       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], keyPath);
@@ skipping 102 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);
 }