Move more files to content_unittests.

content/browser/plugin_service_unittest.cc

-// Copyright (c) 2011 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/browser/plugin_service.h"
-
-#include "content/browser/browser_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class PluginServiceTest : public testing::Test {
- public:
-  PluginServiceTest()
-      : message_loop_(MessageLoop::TYPE_IO),
-        ui_thread_(BrowserThread::UI, &message_loop_),
-        file_thread_(BrowserThread::FILE, &message_loop_),
-        io_thread_(BrowserThread::IO, &message_loop_) {}
-
-
-  virtual void SetUp() {
-    plugin_service_ = PluginService::GetInstance();
-    ASSERT_TRUE(plugin_service_);
-  }
-
- protected:
-  MessageLoop message_loop_;
-  PluginService* plugin_service_;
-
- private:
-  BrowserThread ui_thread_;
-  BrowserThread file_thread_;
-  BrowserThread io_thread_;
-
-  DISALLOW_COPY_AND_ASSIGN(PluginServiceTest);
-};
-
-TEST_F(PluginServiceTest, GetUILocale) {
-  // Check for a non-empty locale string.
-  EXPECT_NE("", plugin_service_->GetUILocale());
-}
-
-}  // namespace