Clean up Cloud Print API flow code.

chrome/browser/printing/cloud_print/gcd_api_flow_impl.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/printing/cloud_print/gcd_api_flow_impl.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/printing/cloud_print/gcd_constants.h"
 #include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "components/cloud_devices/common/cloud_devices_urls.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "net/base/load_flags.h"
 #include "net/base/url_util.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_request_status.h"
 
 namespace cloud_print {
 
+namespace {
+const char kCloudPrintOAuthHeaderFormat[] = "Authorization: Bearer %s";
+}  // namespace
+
 GCDApiFlowImpl::GCDApiFlowImpl(net::URLRequestContextGetter* request_context,
                                OAuth2TokenService* token_service,
                                const std::string& account_id)
     : OAuth2TokenService::Consumer("cloud_print"),
       request_context_(request_context),
       token_service_(token_service),
       account_id_(account_id) {
 }
 
 GCDApiFlowImpl::~GCDApiFlowImpl() {
@@ skipping 23 matching lines @@
 }
 
 void GCDApiFlowImpl::OnGetTokenFailure(
     const OAuth2TokenService::Request* request,
     const GoogleServiceAuthError& error) {
   request_->OnGCDApiFlowError(ERROR_TOKEN);
 }
 
 void GCDApiFlowImpl::CreateRequest(const GURL& url) {
   net::URLFetcher::RequestType request_type = request_->GetRequestType();
+  DCHECK_EQ(net::URLFetcher::GET, request_type);
 
   url_fetcher_ = net::URLFetcher::Create(url, request_type, this);
 
-  if (request_type != net::URLFetcher::GET) {
-    std::string upload_type;
-    std::string upload_data;
-    request_->GetUploadData(&upload_type, &upload_data);
-    url_fetcher_->SetUploadData(upload_type, upload_data);
-  }
-
   data_use_measurement::DataUseUserData::AttachToFetcher(
       url_fetcher_.get(), data_use_measurement::DataUseUserData::CLOUD_PRINT);
   url_fetcher_->SetRequestContext(request_context_.get());
 
   std::vector<std::string> extra_headers = request_->GetExtraRequestHeaders();
   for (size_t i = 0; i < extra_headers.size(); ++i)
     url_fetcher_->AddExtraRequestHeader(extra_headers[i]);
 }
 
 void GCDApiFlowImpl::OnURLFetchComplete(const net::URLFetcher* source) {
@@ skipping 20 matching lines @@
 
   if (!value || !value->GetAsDictionary(&dictionary_value)) {
     request_->OnGCDApiFlowError(ERROR_MALFORMED_RESPONSE);
     return;
   }
 
   request_->OnGCDApiFlowComplete(*dictionary_value);
 }
 
 }  // namespace cloud_print