Only invoke WebKit methods in browsing data helpers on the WEBKIT thread.

chrome/browser/browsing_data_indexed_db_helper_browsertest.cc

+// Copyright (c) 2009 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 <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/file_path.h"
+#include "base/message_loop.h"
+#include "base/ref_counted.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/browsing_data_indexed_db_helper.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "chrome/test/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+class TestCompletionCallback {
+ public:
+  TestCompletionCallback()
+      : have_result_(false),
+        waiting_for_result_(false) {
+  }
+
+  const std::vector<BrowsingDataIndexedDBHelper::IndexedDBInfo>& result()
+  {
+    WaitForResult();
+    return result_;
+  }
+
+  void callback(const std::vector<
+          BrowsingDataIndexedDBHelper::IndexedDBInfo>& info) {
+    have_result_ = true;
+    result_ = info;
+    if (waiting_for_result_)
+      MessageLoop::current()->Quit();
+  }
+
+ private:
+  void WaitForResult() {
+    while (!have_result_) {

[Paweł Hajdan Jr., 2011/02/05 12:44:51]

Is this loop needed? Generally we should only run the loop once, and quit it
once - when the result is ready.

+      waiting_for_result_ = true;
+      MessageLoop::current()->Run();
+      waiting_for_result_ = false;
+    }
+  }
+
+  bool have_result_;
+  bool waiting_for_result_;
+  std::vector<BrowsingDataIndexedDBHelper::IndexedDBInfo> result_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestCompletionCallback);
+};
+}  // namespace
+
+
+class BrowsingDataIndexedDBHelperTest : public InProcessBrowserTest {
+ protected:
+  TestingProfile testing_profile_;
+};
+
+IN_PROC_BROWSER_TEST_F(BrowsingDataIndexedDBHelperTest, CannedAddIndexedDB) {
+  const GURL origin1("http://host1:1/");
+  const GURL origin2("http://host2:1/");
+  const string16 description(ASCIIToUTF16("description"));
+  const FilePath::CharType file1[] =
+      FILE_PATH_LITERAL("http_host1_1.indexeddb");
+  const FilePath::CharType file2[] =
+      FILE_PATH_LITERAL("http_host2_1.indexeddb");
+
+  scoped_refptr<CannedBrowsingDataIndexedDBHelper> helper(
+      new CannedBrowsingDataIndexedDBHelper(&testing_profile_));
+  helper->AddIndexedDB(origin1, description);
+  helper->AddIndexedDB(origin2, description);
+
+  TestCompletionCallback callback;
+  helper->StartFetching(
+      NewCallback(&callback, &TestCompletionCallback::callback));
+
+  std::vector<BrowsingDataIndexedDBHelper::IndexedDBInfo> result =
+      callback.result();
+
+  ASSERT_EQ(2U, result.size());
+  EXPECT_EQ(FilePath(file1).value(), result[0].file_path.BaseName().value());
+  EXPECT_EQ(FilePath(file2).value(), result[1].file_path.BaseName().value());
+}
+
+IN_PROC_BROWSER_TEST_F(BrowsingDataIndexedDBHelperTest, CannedUnique) {
+  const GURL origin("http://host1:1/");
+  const string16 description(ASCIIToUTF16("description"));
+  const FilePath::CharType file[] =
+      FILE_PATH_LITERAL("http_host1_1.indexeddb");
+
+  scoped_refptr<CannedBrowsingDataIndexedDBHelper> helper(
+      new CannedBrowsingDataIndexedDBHelper(&testing_profile_));
+  helper->AddIndexedDB(origin, description);
+  helper->AddIndexedDB(origin, description);
+
+  TestCompletionCallback callback;
+  helper->StartFetching(
+      NewCallback(&callback, &TestCompletionCallback::callback));
+
+  std::vector<BrowsingDataIndexedDBHelper::IndexedDBInfo> result =
+      callback.result();
+
+  ASSERT_EQ(1U, result.size());
+  EXPECT_EQ(FilePath(file).value(), result[0].file_path.BaseName().value());
+}