Add context to gfx::Screen calls in support of simultaneous desktop+ash

chrome/browser/metrics/metrics_log.cc

Index: chrome/browser/metrics/metrics_log.cc
diff --git a/chrome/browser/metrics/metrics_log.cc b/chrome/browser/metrics/metrics_log.cc
index 2771aa9f077ce10addf5e1884d457f4991ee50fe..a4397264c885efe3d41f2d2058efbe101a394d69 100644
--- a/chrome/browser/metrics/metrics_log.cc
+++ b/chrome/browser/metrics/metrics_log.cc
@@ -344,15 +344,17 @@ PrefService* MetricsLog::GetPrefService() {
 }
 
 gfx::Size MetricsLog::GetScreenSize() const {
-  return gfx::Screen::GetPrimaryDisplay().GetSizeInPixel();
+  return gfx::Screen::GetPrimaryDisplay(
+      gfx::Screen::BadTwoWorldsContext()).GetSizeInPixel();
 }
 
 float MetricsLog::GetScreenDeviceScaleFactor() const {
-  return gfx::Screen::GetPrimaryDisplay().device_scale_factor();
+  return gfx::Screen::GetPrimaryDisplay(
+      gfx::Screen::BadTwoWorldsContext()).device_scale_factor();
 }
 
 int MetricsLog::GetScreenCount() const {
-  return gfx::Screen::GetNumDisplays();
+  return gfx::Screen::GetNumDisplays(gfx::Screen::BadTwoWorldsContext());
 }
 
 void MetricsLog::GetFieldTrialIds(