sql::MetaTable.next_download_id, DownloadManager::GetNextId()

chrome/browser/renderer_host/download_throttling_resource_handler.cc

Index: chrome/browser/renderer_host/download_throttling_resource_handler.cc
diff --git a/chrome/browser/renderer_host/download_throttling_resource_handler.cc b/chrome/browser/renderer_host/download_throttling_resource_handler.cc
index 34d90aee6376ad7696c04b3086fde073d21a3117..a455e5b899a287cb72bb517f2783909656eddb4b 100644
--- a/chrome/browser/renderer_host/download_throttling_resource_handler.cc
+++ b/chrome/browser/renderer_host/download_throttling_resource_handler.cc
@@ -5,9 +5,12 @@
 #include "chrome/browser/renderer_host/download_throttling_resource_handler.h"
 
 #include "base/logging.h"
+#include "chrome/browser/download/download_id.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/renderer_host/download_resource_handler.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
+#include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
+#include "content/browser/resource_context.h"
 #include "content/common/resource_response.h"
 #include "net/base/io_buffer.h"
 #include "net/base/mime_sniffer.h"
@@ -173,12 +176,29 @@ void DownloadThrottlingResourceHandler::CancelDownload() {
 void DownloadThrottlingResourceHandler::ContinueDownload() {
   DCHECK(!download_handler_.get());
   if (!request_closed_) {
+    ResourceDispatcherHostRequestInfo* info =
+        ResourceDispatcherHost::InfoForRequest(request_);
+    // TODO(benjhayden) next_download_id_thunk can be a field in ResourceContext
+    // when DownloadManager is moved to content.
+    DownloadManager::GetNextIdThunkType* next_download_id_thunk =
+      reinterpret_cast<DownloadManager::GetNextIdThunkType*>(info->context()
+          ->GetUserData(reinterpret_cast<void*>(BASE_HASH_NAMESPACE::
+#if defined(COMPILER_GCC)
+              hash<std::string>()
+#elif defined(COMPILER_MSVC)
+              hash_value
+#endif
+              ("next_download_id_thunk"))));
+    CHECK(next_download_id_thunk);
+    CHECK(!next_download_id_thunk->is_null());
+    DownloadId dl_id = next_download_id_thunk->Run();
     download_handler_ =
         new DownloadResourceHandler(host_,
                                     render_process_host_id_,
                                     render_view_id_,
                                     request_id_,
                                     url_,
+                                    dl_id,
                                     host_->download_file_manager(),
                                     request_,
                                     false,