Add flag to specify if explicitly requested download is from web.

content/public/browser/download_url_parameters.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 "content/public/browser/download_url_parameters.h"
 
 #include "base/callback.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/web_contents.h"
 #include "googleurl/src/gurl.h"
 
 namespace content {
 
 DownloadUrlParameters::DownloadUrlParameters(
     const GURL& url,
     int render_process_host_id,
     int render_view_host_routing_id,
     ResourceContext* resource_context,
     const DownloadSaveInfo& save_info)
-  : load_flags_(0),
-    method_("GET"),
-    post_id_(-1),
-    prefer_cache_(false),
-    render_process_host_id_(render_process_host_id),
-    render_view_host_routing_id_(render_view_host_routing_id),
-    resource_context_(resource_context),
-    resource_dispatcher_host_(ResourceDispatcherHost::Get()),
-    save_info_(save_info),
-    url_(url) {
+    : content_initiated_(false),
+      load_flags_(0),
+      method_("GET"),
+      post_id_(-1),
+      prefer_cache_(false),
+      render_process_host_id_(render_process_host_id),
+      render_view_host_routing_id_(render_view_host_routing_id),
+      resource_context_(resource_context),
+      resource_dispatcher_host_(ResourceDispatcherHost::Get()),
+      save_info_(save_info),
+      url_(url) {
   DCHECK(resource_dispatcher_host_);
 }
 
 DownloadUrlParameters::~DownloadUrlParameters() {
 }
 
 // static
 DownloadUrlParameters* DownloadUrlParameters::FromWebContents(
     WebContents* web_contents,
     const GURL& url,
     const DownloadSaveInfo& save_info) {
   return new DownloadUrlParameters(
       url,
       web_contents->GetRenderProcessHost()->GetID(),
       web_contents->GetRenderViewHost()->GetRoutingID(),
       web_contents->GetBrowserContext()->GetResourceContext(),
       save_info);
 }
 
 }  // namespace content