Revive reverted CL with fix for CrOS build.

chrome/common/net/gaia/oauth2_access_token_fetcher.cc

Index: chrome/common/net/gaia/oauth2_access_token_fetcher.cc
===================================================================
--- chrome/common/net/gaia/oauth2_access_token_fetcher.cc	(revision 111280)
+++ chrome/common/net/gaia/oauth2_access_token_fetcher.cc	(working copy)
@@ -116,12 +116,12 @@
 
   URLRequestStatus status = source->GetStatus();
   if (!status.is_success()) {
-    ReportFailure(CreateAuthError(status));
+    OnGetTokenFailure(CreateAuthError(status));
     return;
   }
 
   if (source->GetResponseCode() != RC_REQUEST_OK) {
-    ReportFailure(GoogleServiceAuthError(
+    OnGetTokenFailure(GoogleServiceAuthError(
         GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS));
     return;
   }
@@ -129,20 +129,16 @@
   // The request was successfully fetched and it returned OK.
   // Parse out the access token.
   std::string access_token;
-  if (!ParseGetAccessTokenResponse(source, &access_token)) {
-    ReportFailure(GoogleServiceAuthError(
-        GoogleServiceAuthError::UNEXPECTED_RESPONSE));
-    return;
-  }
-
-  ReportSuccess(access_token);
+  ParseGetAccessTokenResponse(source, &access_token);
+  OnGetTokenSuccess(access_token);
 }
 
-void OAuth2AccessTokenFetcher::ReportSuccess(const std::string& access_token) {
+void OAuth2AccessTokenFetcher::OnGetTokenSuccess(
+    const std::string& access_token) {
   consumer_->OnGetTokenSuccess(access_token);
 }
 
-void OAuth2AccessTokenFetcher::ReportFailure(GoogleServiceAuthError error) {
+void OAuth2AccessTokenFetcher::OnGetTokenFailure(GoogleServiceAuthError error) {
   state_ = ERROR_STATE;
   consumer_->OnGetTokenFailure(error);
 }