Add chrome.searchEnginesPrivate API and Search Settings page.

chrome/browser/extensions/api/search_engines_private/search_engines_private_api.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 "chrome/browser/extensions/api/search_engines_private/search_engines_private_api.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/extensions/chrome_extension_function.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/search_engines/template_url_service_factory.h"
+#include "chrome/common/extensions/api/search_engines_private.h"
+#include "components/search_engines/template_url_service.h"
+#include "extensions/browser/extension_function_registry.h"
+
+namespace extensions {
+
+////////////////////////////////////////////////////////////////////////////////
+// SearchEnginesPrivateGetDefaultSearchEnginesFunction
+////////////////////////////////////////////////////////////////////////////////

[stevenjb, 2015/04/23 17:26:00]

nit: Not sure if this was copied from somewhere, but seems overly verbose. At
miniumum I would eliminate the bottom ///////... line

[Oren Blasberg, 2015/04/23 21:31:51]

Done.

+
+SearchEnginesPrivateGetDefaultSearchEnginesFunction::
+    SearchEnginesPrivateGetDefaultSearchEnginesFunction()
+    : chrome_details_(this) {
+}
+
+SearchEnginesPrivateGetDefaultSearchEnginesFunction::
+    ~SearchEnginesPrivateGetDefaultSearchEnginesFunction() {
+}
+
+ExtensionFunction::ResponseAction
+SearchEnginesPrivateGetDefaultSearchEnginesFunction::Run() {
+  TemplateURLService* template_url_service =
+      TemplateURLServiceFactory::GetForProfile(chrome_details_.GetProfile());
+  base::ListValue* engines = new base::ListValue();
+
+  const TemplateURL* default_url =
+      template_url_service->GetDefaultSearchProvider();
+  std::vector<TemplateURL*> urls = template_url_service->GetTemplateURLs();
+  for (size_t i = 0; i < urls.size(); i++) {

[stevenjb, 2015/04/23 17:26:00]

nit: for (TemplateURL* url : urls)

[Oren Blasberg, 2015/04/23 21:31:51]

Done.

+    api::search_engines_private::SearchEngine* engine =
+        new api::search_engines_private::SearchEngine();
+    engine->guid = urls[i]->sync_guid();
+    engine->name = UTF16ToASCII(urls[i]->short_name());
+    engine->is_selected = urls[i] == default_url;
+
+    engines->Append(engine->ToValue().release());
+  }
+
+  return RespondNow(OneArgument(engines));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// SearchEnginesPrivateSetSelectedSearchEngineFunction
+////////////////////////////////////////////////////////////////////////////////
+
+SearchEnginesPrivateSetSelectedSearchEngineFunction::
+    SearchEnginesPrivateSetSelectedSearchEngineFunction()
+    : chrome_details_(this) {
+}
+
+SearchEnginesPrivateSetSelectedSearchEngineFunction::
+    ~SearchEnginesPrivateSetSelectedSearchEngineFunction() {
+}
+
+ExtensionFunction::ResponseAction
+SearchEnginesPrivateSetSelectedSearchEngineFunction::Run() {
+  scoped_ptr<api::search_engines_private::SetSelectedSearchEngine::Params>
+      parameters =
+          api::search_engines_private::SetSelectedSearchEngine::Params::Create(
+              *args_);
+  EXTENSION_FUNCTION_VALIDATE(parameters.get());
+
+  TemplateURLService* template_url_service =
+      TemplateURLServiceFactory::GetForProfile(chrome_details_.GetProfile());
+  template_url_service->SetUserSelectedDefaultSearchProvider(
+      template_url_service->GetTemplateURLForGUID(parameters->guid));
+  return RespondNow(NoArguments());
+}
+
+}  // namespace extensions