Upgrade process: Add an error message for when CoCreateInstance fails.

chrome/browser/google/google_update.cc

Index: chrome/browser/google/google_update.cc
===================================================================
--- chrome/browser/google/google_update.cc	(revision 140271)
+++ chrome/browser/google/google_update.cc	(working copy)
@@ -270,7 +270,8 @@
   if (hr != S_OK) {
     // Most of the error messages come straight from Google Update. This one is
     // deemed worthy enough to also warrant its own error.
-    string16 error_code = base::StringPrintf(L"0x%x", hr);
+    string16 error_code = base::StringPrintf(
+        L"%d: 0x%x", GOOGLE_UPDATE_JOB_SERVER_CREATION_FAILED, hr);
     ReportFailure(
         hr, GOOGLE_UPDATE_JOB_SERVER_CREATION_FAILED,
         l10n_util::GetStringFUTF16(IDS_ABOUT_BOX_ERROR_COCREATE_FAILED,
@@ -307,8 +308,15 @@
   }
 
   if (hr != S_OK) {
+    string16 error_code = base::StringPrintf(
+        L"%d: 0x%x", GOOGLE_UPDATE_ONDEMAND_CLASS_NOT_FOUND, hr);
+    if (system_level)

[S. Ganesh, 2012/06/07 00:08:01]

Prefer { }

[Finnur, 2012/06/07 10:43:29]

Chrome team doesn't. 

On 2012/06/07 00:08:01, ganesh wrote:

+      error_code += L" (system level)";
     ReportFailure(hr, GOOGLE_UPDATE_ONDEMAND_CLASS_NOT_FOUND,
-                  string16(), main_loop);
+                  l10n_util::GetStringFUTF16(
+                      IDS_ABOUT_BOX_ERROR_COCREATE_FAILED,
+                      error_code),
+                  main_loop);
     return;
   }