Adding unit tests for google_api_keys functionality.

google_apis/google_api_keys.cc

 // Copyright (c) 2012 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 "google_apis/google_api_keys.h"
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 76 matching lines @@
 // Specifies custom OAuth2 client id for testing purposes.
 const char kOAuth2ClientID[] = "oauth2-client-id";
 
 // Specifies custom OAuth2 client secret for testing purposes.
 const char kOAuth2ClientSecret[] = "oauth2-client-secret";
 
 }  // namespace switches
 
 namespace google_apis {
 
-namespace {
-
 // This is used as a lazy instance to determine keys once and cache them.
 class APIKeyCache {
  public:
   APIKeyCache() {
     scoped_ptr<base::Environment> environment(base::Environment::Create());
     CommandLine* command_line = CommandLine::ForCurrentProcess();
 
     api_key_ = CalculateKeyValue(GOOGLE_API_KEY,
                                  STRINGIZE_NO_EXPANSION(GOOGLE_API_KEY),
                                  NULL, "",
@@ skipping 123 matching lines @@
   }
 
   std::string api_key_;
   std::string client_ids_[CLIENT_NUM_ITEMS];
   std::string client_secrets_[CLIENT_NUM_ITEMS];
 };
 
 static base::LazyInstance<APIKeyCache> g_api_key_cache =
     LAZY_INSTANCE_INITIALIZER;
 
-}  // namespace
-
 std::string GetAPIKey() {
   return g_api_key_cache.Get().api_key();
 }
 
 std::string GetOAuth2ClientID(OAuth2Client client) {
   return g_api_key_cache.Get().GetClientID(client);
 }
 
 std::string GetOAuth2ClientSecret(OAuth2Client client) {
   return g_api_key_cache.Get().GetClientSecret(client);
 }
 
 }  // namespace google_apis