Move MetricsStateManager into the Metrics component.

chrome/browser/ui/views/session_crashed_bubble_view.cc

Index: chrome/browser/ui/views/session_crashed_bubble_view.cc
diff --git a/chrome/browser/ui/views/session_crashed_bubble_view.cc b/chrome/browser/ui/views/session_crashed_bubble_view.cc
index 900daee5646ac9c94e5ec9664627fd7c73964958..9c0bbf72bf0fd06af4bea7ea35d648b78852b882 100644
--- a/chrome/browser/ui/views/session_crashed_bubble_view.cc
+++ b/chrome/browser/ui/views/session_crashed_bubble_view.cc
@@ -75,7 +75,7 @@ bool ShouldOfferMetricsReporting() {
   if (GoogleUpdateSettings::GetCollectStatsConsent())
     return false;
   return g_browser_process->local_state()->FindPreference(
-      prefs::kMetricsReportingEnabled)->IsUserModifiable();
+      metrics::prefs::kMetricsReportingEnabled)->IsUserModifiable();
 #else
   return false;
 #endif  // defined(GOOGLE_CHROME_BUILD)
@@ -427,7 +427,7 @@ void SessionCrashedBubbleView::RestorePreviousSession(views::Button* sender) {
     // is stored automatically.
     OptionsUtil::ResolveMetricsReportingEnabled(true);
     g_browser_process->local_state()->SetBoolean(
-        prefs::kMetricsReportingEnabled, true);
+        metrics::prefs::kMetricsReportingEnabled, true);
   }
   CloseBubble();
 }