Using API key specified from js

chrome/browser/extensions/api/copresence/copresence_api.cc

 // Copyright 2014 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/copresence/copresence_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
 #include "chrome/browser/copresence/chrome_whispernet_client.h"
 #include "chrome/common/chrome_version_info.h"
@@ skipping 15 matching lines @@
 
 const char kInvalidOperationsMessage[] =
     "Invalid operation in operations array.";
 const char kShuttingDownMessage[] = "Shutting down.";
 
 }  // namespace
 
 // CopresenceService implementation:
 
 CopresenceService::CopresenceService(content::BrowserContext* context)
-    : is_shutting_down_(false), browser_context_(context) {
-}
+    : is_shutting_down_(false), browser_context_(context) {}
 
-CopresenceService::~CopresenceService() {
-}
+CopresenceService::~CopresenceService() {}
 
 copresence::CopresenceClient* CopresenceService::client() {
   if (!client_ && !is_shutting_down_)
     client_.reset(new copresence::CopresenceClient(this));
   return client_.get();
 }
 
 copresence::WhispernetClient* CopresenceService::whispernet_client() {
   if (!whispernet_client_ && !is_shutting_down_)
     whispernet_client_.reset(new ChromeWhispernetClient(browser_context_));
@@ skipping 51 matching lines @@
 }
 
 net::URLRequestContextGetter* CopresenceService::GetRequestContext() const {
   return browser_context_->GetRequestContext();
 }
 
 const std::string CopresenceService::GetPlatformVersionString() const {
   return chrome::VersionInfo().CreateVersionString();
 }
 
+const std::string CopresenceService::GetAPIKey() const {
+  return api_key_;
+}
+
 copresence::WhispernetClient* CopresenceService::GetWhispernetClient() {
   return whispernet_client();
 }
 
 template <>
 void
 BrowserContextKeyedAPIFactory<CopresenceService>::DeclareFactoryDependencies() {
   DependsOn(ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
 }
 
@@ skipping 34 matching lines @@
                                       : api::copresence::EXECUTE_STATUS_FAILED;
   Respond(ArgumentList(api::copresence::Execute::Results::Create(api_status)));
 }
 
 // CopresenceSetApiKeyFunction implementation:
 ExtensionFunction::ResponseAction CopresenceSetApiKeyFunction::Run() {
   scoped_ptr<api::copresence::SetApiKey::Params> params(
       api::copresence::SetApiKey::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
-  // TODO(rkc): Use the API key set by this function for this app.
-  // http://crbug.com/400617.
+  // The api key may be set to empty, to clear it.
+  CopresenceService::GetFactoryInstance()->Get(browser_context())
+      ->set_api_key(params->api_key);
   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions