Add time for when chrome's main() is called.

chrome/browser/chromeos/login/background_view.cc

Index: chrome/browser/chromeos/login/background_view.cc
diff --git a/chrome/browser/chromeos/login/background_view.cc b/chrome/browser/chromeos/login/background_view.cc
index 6e4e54a2b744667296fd4f9dc3faf849bb008475..e57c4d75c510fdf2590c2aa0970af91878a71f7d 100644
--- a/chrome/browser/chromeos/login/background_view.cc
+++ b/chrome/browser/chromeos/login/background_view.cc
@@ -198,14 +198,31 @@ void BackgroundView::OnBootTimes(
     BootTimesLoader::Handle handle, BootTimesLoader::BootTimes boot_times) {
   // TODO(davemoore) if we decide to keep these times visible we will need
   // to localize the strings.
-  std::string boot_times_text =
-      StringPrintf(
-          "Boot took %.2f seconds "
-          "(firmware %.2fs, kernel %.2fs, user %.2fs)",
-          boot_times.firmware + boot_times.login_prompt_ready,
-          boot_times.firmware,
-          boot_times.pre_startup,
-          boot_times.login_prompt_ready - boot_times.pre_startup);
+  const char* kBootTimesNoChromeExec =
+      "Boot took %.2f seconds (firmware %.2fs, kernel %.2fs, system %.2fs)";
+  const char* kBootTimesChromeExec =
+      "Boot took %.2f seconds "
+      "(firmware %.2fs, kernel %.2fs, system %.2fs, chrome %.2fs)";
+  std::string boot_times_text;
+
+  if (boot_times.chrome_exec > 0) {
+    boot_times_text =
+        StringPrintf(
+            kBootTimesChromeExec,
+            boot_times.firmware + boot_times.login_prompt_ready,
+            boot_times.firmware,
+            boot_times.pre_startup,
+            boot_times.chrome_exec - boot_times.pre_startup,
+            boot_times.login_prompt_ready - boot_times.chrome_exec);
+  } else {
+    boot_times_text =
+        StringPrintf(
+            kBootTimesNoChromeExec,
+            boot_times.firmware + boot_times.login_prompt_ready,
+            boot_times.firmware,
+            boot_times.pre_startup,
+            boot_times.login_prompt_ready - boot_times.pre_startup);
+  }
   boot_times_label_->SetText(ASCIIToWide(boot_times_text));
 }