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 16 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) {
+  device_fingerprint_.set_platform_version(
+      chrome::VersionInfo().CreateVersionString());
 }
 
 CopresenceService::~CopresenceService() {
 }
 
 copresence::CopresenceClient* CopresenceService::client() {
   if (!client_ && !is_shutting_down_)
     client_.reset(new copresence::CopresenceClient(this));
   return client_.get();
 }
@@ skipping 51 matching lines @@
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(app_id, event.Pass());
   DVLOG(2) << "Passed " << api_messages.size() << " messages to app \""
            << app_id << "\" for subscription \"" << subscription_id << "\"";
 }
 
 net::URLRequestContextGetter* CopresenceService::GetRequestContext() const {
   return browser_context_->GetRequestContext();
 }
 
-const std::string CopresenceService::GetPlatformVersionString() const {
-  return chrome::VersionInfo().CreateVersionString();
+const copresence::DeviceFingerprint&
+CopresenceService::GetDeviceFingerprint() const {
+  return device_fingerprint_;
+}
+
+const std::string& GetAPIKey() const {
+  return api_key_;
 }
 
 copresence::WhispernetClient* CopresenceService::GetWhispernetClient() {
   return whispernet_client();
 }
 
 template <>
 void
 BrowserContextKeyedAPIFactory<CopresenceService>::DeclareFactoryDependencies() {
   DependsOn(ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
@@ skipping 36 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.
+  api_key_ = params->apiKey;

[rkc, 2014/08/13 21:45:31]

Um? api_key_ is declared in CopresenceService, you're setting it in
CopresenceSetApiKeyFunction. This code shouldn't even compile.

[Charlie, 2014/08/13 22:53:37]

It doesn't. I compiled the component, but not the API. Fixed.

   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions