Adding basic Metro Print Metrics.

chrome/browser/printing/print_view_manager.cc

Index: chrome/browser/printing/print_view_manager.cc
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index 09213d26f3a1ffd03b000e6abdf733f59a8b5ebb..ce3e029cc773c52ed68fb0a1a3754c8ea2ea3438 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -9,6 +9,7 @@
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/metrics/histogram.h"
 #include "base/timer.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ -109,6 +110,8 @@ bool PrintViewManager::AdvancedPrintNow() {
 }
 
 bool PrintViewManager::PrintToDestination() {
+  // TODO(mad): Remove this once we can send user metrics from the metro driver.

[Albert Bodenhamer, 2012/08/10 21:48:07]

File a bug on moving the code and reference it from the TODO.

[MAD, 2012/08/13 14:38:09]

Done.

+  UMA_HISTOGRAM_ENUMERATION("Metro.Print", 0, 2);
   // TODO(mad): Use a passed in destination interface instead.
   g_browser_process->print_job_manager()->SetPrintDestination(
       printing::CreatePrintDestination());