Hook up indexed databases to content settings.

Step 2: add a browsing data helper for indexed databases.

BUG=56248
TEST=CannedBrowsingDataIndexedDBHelperTest.*,BrowsingDataIndexedDBHelperTest.*

Review URL: http://codereview.chromium.org/3468007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60270 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 59 insertions, 0 deletions

diff --git a/chrome/test/thread_test_helper.h b/chrome/test/thread_test_helper.h
new file mode 100644
index 0000000..8dd7a8c
--- /dev/null
+++ b/chrome/test/thread_test_helper.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2010 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.
+
+#ifndef CHROME_TEST_THREAD_TEST_HELPER_H_
+#define CHROME_TEST_THREAD_TEST_HELPER_H_
+#pragma once
+
+#include "base/ref_counted.h"
+#include "base/waitable_event.h"
+#include "chrome/browser/chrome_thread.h"
+
+// Helper class that executes code on a given thread while blocking on the
+// invoking thread (normally the UI thread). To use, derive from this class and
+// overwrite RunTest. An alternative use of this class is to use it directly.
+// It will then block until all pending tasks on a given thread have been
+// executed.
+class ThreadTestHelper : public base::RefCountedThreadSafe<ThreadTestHelper> {
+ public:
+  explicit ThreadTestHelper(ChromeThread::ID thread_id)
+    : test_result_(false),
+      thread_id_(thread_id),
+      done_event_(false, false) {
+  }
+
+  // True if RunTest() was successfully executed on the target thread.
+  bool Run() WARN_UNUSED_RESULT {
+    if (!ChromeThread::PostTask(thread_id_, FROM_HERE, NewRunnableMethod(
+        this, &ThreadTestHelper::RunInThread))) {
+      return false;
+    }
+    done_event_.Wait();
+    return test_result_;
+  }
+
+  virtual void RunTest() { set_test_result(true); }
+
+ protected:
+  friend class base::RefCountedThreadSafe<ThreadTestHelper>;
+
+  virtual ~ThreadTestHelper() {}
+
+  // Use this method to store the result of RunTest().
+  void set_test_result(bool test_result) { test_result_ = test_result; }
+
+ private:
+  void RunInThread() {
+    RunTest();
+    done_event_.Signal();
+  }
+
+  bool test_result_;
+  ChromeThread::ID thread_id_;
+  base::WaitableEvent done_event_;
+
+  DISALLOW_COPY_AND_ASSIGN(ThreadTestHelper);
+};
+
+#endif  // CHROME_TEST_THREAD_TEST_HELPER_H_