Add chrome.searchEnginesPrivate API and Search Settings page.

chrome/browser/extensions/api/search_engines_private/search_engines_private_apitest.cc

+// Copyright 2015 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 "base/command_line.h"
+#include "base/values.h"
+#include "chrome/browser/extensions/extension_apitest.h"
+#include "chrome/common/extensions/api/search_engines_private.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "content/public/test/test_utils.h"
+#include "extensions/common/switches.h"
+
+namespace extensions {
+
+namespace {
+
+class SearchEnginesPrivateApiTest : public ExtensionApiTest {
+ public:
+  SearchEnginesPrivateApiTest() {}
+  ~SearchEnginesPrivateApiTest() override {}
+
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    ExtensionApiTest::SetUpCommandLine(command_line);
+  }
+
+  void SetUpOnMainThread() override {
+    ExtensionApiTest::SetUpOnMainThread();
+    content::RunAllPendingInMessageLoop();
+  }
+
+ protected:
+  bool RunSearchEnginesSubtest(const std::string& subtest) {
+    return RunExtensionSubtest("search_engines_private",
+                               "main.html?" + subtest);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SearchEnginesPrivateApiTest);
+};
+
+}  // namespace
+
+IN_PROC_BROWSER_TEST_F(SearchEnginesPrivateApiTest, SetSelectedSearchEngine) {
+  EXPECT_TRUE(RunSearchEnginesSubtest("setSelectedSearchEngine")) << message_;
+}
+
+}  // namespace extensions