Added DownloadProcessHandle class.

chrome/browser/download/download_item.cc

Index: chrome/browser/download/download_item.cc
diff --git a/chrome/browser/download/download_item.cc b/chrome/browser/download/download_item.cc
index 54165a9fcd78251bed8fcac151a89cb5a6b6a99f..e5f40bfaa89a2993d2efc91553d5a7dd08b044b0 100644
--- a/chrome/browser/download/download_item.cc
+++ b/chrome/browser/download/download_item.cc
@@ -135,8 +135,6 @@ DownloadItem::DownloadItem(DownloadManager* download_manager,
       danger_type_(NOT_DANGEROUS),
       auto_opened_(false),
       target_name_(info.original_name),
-      render_process_id_(-1),
-      request_id_(-1),
       save_as_(false),
       is_otr_(false),
       is_extension_install_(info.is_extension_install),
@@ -164,6 +162,7 @@ DownloadItem::DownloadItem(DownloadManager* download_manager,
       original_mime_type_(info.original_mime_type),
       total_bytes_(info.total_bytes),
       received_bytes_(0),
+      process_handle_(info.process_handle),
       last_os_error_(0),
       start_tick_(base::TimeTicks::Now()),
       state_(IN_PROGRESS),
@@ -178,8 +177,6 @@ DownloadItem::DownloadItem(DownloadManager* download_manager,
                                  info.is_dangerous_url)),
       auto_opened_(false),
       target_name_(info.original_name),
-      render_process_id_(info.child_id),
-      request_id_(info.request_id),
       save_as_(info.prompt_user_for_save_location),
       is_otr_(is_otr),
       is_extension_install_(info.is_extension_install),
@@ -215,8 +212,6 @@ DownloadItem::DownloadItem(DownloadManager* download_manager,
       safety_state_(SAFE),
       danger_type_(NOT_DANGEROUS),
       auto_opened_(false),
-      render_process_id_(-1),
-      request_id_(-1),
       save_as_(false),
       is_otr_(is_otr),
       is_extension_install_(false),