Change Lo-Fi bool to bitmask to support multiple Previews types

content/browser/download/save_file_manager.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 "build/build_config.h"
 
 #include "content/browser/download/save_file_manager.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/download/save_file.h"
 #include "content/browser/download/save_file_resource_handler.h"
 #include "content/browser/download/save_package.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/resource_context.h"
+#include "content/public/common/previews_state.h"
 #include "net/base/io_buffer.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "url/gurl.h"
 
 namespace content {
 
 namespace {
@@ skipping 274 matching lines @@
   std::unique_ptr<net::URLRequest> request(
       request_context->CreateRequest(url, net::DEFAULT_PRIORITY, NULL));
   request->set_method("GET");
 
   // The URLRequest needs to be initialized with the referrer and other
   // information prior to issuing it.
   ResourceDispatcherHostImpl::Get()->InitializeURLRequest(
       request.get(), referrer,
       false,  // download.
       render_process_host_id, render_view_routing_id, render_frame_routing_id,
-      context);
+      PREVIEWS_OFF, context);
 
   // So far, for saving page, we need fetch content from cache, in the
   // future, maybe we can use a configuration to configure this behavior.
   request->SetLoadFlags(net::LOAD_SKIP_CACHE_VALIDATION);
 
   // Check if the renderer is permitted to request the requested URL.
   using AuthorizationState = SaveFileResourceHandler::AuthorizationState;
   AuthorizationState authorization_state = AuthorizationState::AUTHORIZED;
   if (!ChildProcessSecurityPolicyImpl::GetInstance()->CanRequestURL(
           render_process_host_id, url)) {
@@ skipping 117 matching lines @@
     if (it != save_file_map_.end()) {
       SaveFile* save_file = it->second.get();
       DCHECK(!save_file->InProgress());
       base::DeleteFile(save_file->FullPath(), false);
       save_file_map_.erase(it);
     }
   }
 }
 
 }  // namespace content