Fix warning prompting on closing a window that will cancel downloads.

chrome/browser/download/download_service.cc

Index: chrome/browser/download/download_service.cc
diff --git a/chrome/browser/download/download_service.cc b/chrome/browser/download/download_service.cc
index 659af4f50ad20a15bf2dea19607037eeb26bc615..6b5fcb26bfaa7bab5b1133a4a672bae07c52b400 100644
--- a/chrome/browser/download/download_service.cc
+++ b/chrome/browser/download/download_service.cc
@@ -6,7 +6,9 @@
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
+#include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "content/browser/download/download_manager.h"
 
 DownloadService::DownloadService(Profile* profile)
@@ -34,6 +36,27 @@ bool DownloadService::HasCreatedDownloadManager() {
   return download_manager_created_;
 }
 
+int DownloadService::DownloadCount() const {
+  return download_manager_created_ ? manager_->in_progress_count() : 0;
+}
+
+// static
+int DownloadService::DownloadCountAllProfiles() {
+  std::vector<Profile*> profiles(
+      g_browser_process->profile_manager()->GetLoadedProfiles());
+
+  int count = 0;
+  for (std::vector<Profile*>::iterator it = profiles.begin();
+       it < profiles.end(); ++it) {
+    count += DownloadServiceFactory::GetForProfile(*it)->DownloadCount();
+    if ((*it)->HasOffTheRecordProfile())
+      count += DownloadServiceFactory::GetForProfile(
+          (*it)->GetOffTheRecordProfile())->DownloadCount();
+  }
+
+  return count;
+}
+
 void DownloadService::SetDownloadManagerDelegateForTesting(
     ChromeDownloadManagerDelegate* new_delegate) {
   // Guarantee everything is properly initialized.