Remove cached dp viewports in LayoutManager

chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java
index a6021cfc3e0fefa55aa7d78996944ff1dcd569a1..701f471553e38b6ac45757224942c68a1ed7fed3 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/CompositorView.java
@@ -9,6 +9,7 @@ import android.content.Context;
 import android.graphics.Color;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
+import android.graphics.RectF;
 import android.os.Build;
 import android.view.Display;
 import android.view.MotionEvent;
@@ -51,7 +52,7 @@ public class CompositorView
     private static final long NANOSECONDS_PER_MILLISECOND = 1000000;
 
     // Cache objects that should not be created every frame
-    private final Rect mCacheViewport = new Rect();
+    private final RectF mCacheViewport = new RectF();
     private final Rect mCacheAppRect = new Rect();
     private final int[] mCacheViewPosition = new int[2];