PrintPreview: While printing the preview data, set the initiator tab title as print job name.

chrome/common/print_messages.h

Index: chrome/common/print_messages.h
diff --git a/chrome/common/print_messages.h b/chrome/common/print_messages.h
index 81e903e452bf8a49a9f0a3e9a7d28ca325e6a031..ac192f648c3cd5d8f4579fe64b12b666ef61c233 100644
--- a/chrome/common/print_messages.h
+++ b/chrome/common/print_messages.h
@@ -160,11 +160,13 @@ IPC_SYNC_MESSAGE_ROUTED1_1(PrintHostMsg_DuplicateSection,
                            base::SharedMemoryHandle /* browser handle */)
 #endif
 
-// Tells the browser that the renderer is done calculating the number of
-// rendered pages according to the specified settings.
-IPC_MESSAGE_ROUTED2(PrintHostMsg_DidGetPrintedPagesCount,
+// Tells the browser that the renderer is done identifying the basic print job
+// information such as job title and total number of rendered pages according
+// to the specified settings.
+IPC_MESSAGE_ROUTED3(PrintHostMsg_DidGetBasicPrintJobInfo,
                     int /* rendered document cookie */,
-                    int /* number of rendered pages */)
+                    int /* number of rendered pages */,
+                    string16 /* job_title */)
 
 // Sends back to the browser the rendered "printed page" that was requested by
 // a ViewMsg_PrintPage message or from scripted printing. The memory handle in