Implement "Save image as" for canvas (chromium side).

content/browser/download/download_manager_impl.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/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 39 matching lines @@
 
 void BeginDownload(scoped_ptr<DownloadUrlParameters> params,
                    uint32 download_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // ResourceDispatcherHost{Base} is-not-a URLRequest::Delegate, and
   // DownloadUrlParameters can-not include resource_dispatcher_host_impl.h, so
   // we must down cast. RDHI is the only subclass of RDH as of 2012 May 4.
   scoped_ptr<net::URLRequest> request(
       params->resource_context()->GetRequestContext()->CreateRequest(
           params->url(), net::DEFAULT_PRIORITY, NULL, NULL));
-  request->SetLoadFlags(request->load_flags() | params->load_flags());
+  //request->SetLoadFlags(request->load_flags() | params->load_flags());

[Justin Novosad, 2014/04/30 15:07:16]

Why was this commented out?

   request->set_method(params->method());
   if (!params->post_body().empty()) {
     const std::string& body = params->post_body();
     scoped_ptr<net::UploadElementReader> reader(
         net::UploadOwnedBytesElementReader::CreateWithString(body));
     request->set_upload(make_scoped_ptr(
         net::UploadDataStream::CreateWithReader(reader.Pass(), 0)));
   }
   if (params->post_id() >= 0) {
     // The POST in this case does not have an actual body, and only works
@@ skipping 36 matching lines @@
   for (DownloadUrlParameters::RequestHeadersType::const_iterator iter
            = params->request_headers_begin();
        iter != params->request_headers_end();
        ++iter) {
     request->SetExtraRequestHeaderByName(
         iter->first, iter->second, false /*overwrite*/);
   }
 
   scoped_ptr<DownloadSaveInfo> save_info(new DownloadSaveInfo());
   save_info->file_path = params->file_path();
-  save_info->suggested_name = params->suggested_name();
+save_info->prompt_for_save_location = params->prompt();
+
+/*  save_info->suggested_name = params->suggested_name();
   save_info->offset = params->offset();
   save_info->hash_state = params->hash_state();
   save_info->prompt_for_save_location = params->prompt();
-  save_info->file = params->GetFile();
+  save_info->file = params->GetFile();*/

[Avi (use Gerrit), 2014/04/30 14:52:28]

? We don't commit commented-out code.

 
   ResourceDispatcherHost::Get()->BeginDownload(
       request.Pass(),
       params->referrer(),
       params->content_initiated(),
       params->resource_context(),
       params->render_process_host_id(),
       params->render_view_host_routing_id(),
       params->prefer_cache(),
       save_info.Pass(),
@@ skipping 576 matching lines @@
   if (delegate_)
     delegate_->OpenDownload(download);
 }
 
 void DownloadManagerImpl::ShowDownloadInShell(DownloadItemImpl* download) {
   if (delegate_)
     delegate_->ShowDownloadInShell(download);
 }
 
 }  // namespace content