android: Fix display size under multiwindow

ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java

Index: ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java b/ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java
index 964ef6fa99124e1507cab8c48e3537ab1c1664ec..5ec3205091acc2bc8e79df8ec9d5ba0b2a6a88bd 100644
--- a/ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java
+++ b/ui/android/java/src/org/chromium/ui/display/PhysicalDisplayAndroid.java
@@ -91,23 +91,23 @@ import org.chromium.base.Log;
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     /* package */ void updateFromDisplay(Display display) {
         Point size = new Point();
-        Point physicalSize = new Point();
         DisplayMetrics displayMetrics = new DisplayMetrics();
         PixelFormat pixelFormat = new PixelFormat();
-        display.getSize(size);
-        display.getMetrics(displayMetrics);
-        if (hasForcedDIPScale()) displayMetrics.density = sForcedDIPScale.floatValue();
-
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
-            display.getRealSize(physicalSize);
+            display.getRealSize(size);
+            display.getRealMetrics(displayMetrics);
+        } else {
+            display.getSize(size);
+            display.getMetrics(displayMetrics);
         }
+        if (hasForcedDIPScale()) displayMetrics.density = sForcedDIPScale.floatValue();
 
         // JellyBean MR1 and later always uses RGBA_8888.
         int pixelFormatId = (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1)
                 ? display.getPixelFormat()
                 : PixelFormat.RGBA_8888;
         PixelFormat.getPixelFormatInfo(pixelFormatId, pixelFormat);
-        super.update(size, physicalSize, displayMetrics.density, pixelFormat.bitsPerPixel,
+        super.update(size, displayMetrics.density, pixelFormat.bitsPerPixel,
                 bitsPerComponent(pixelFormatId), display.getRotation());
     }
 }