Do not wait for the double tap timeout on pages with fixed page scale

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index 040baab5e84f6ec863dd8555b006dddc72fe21d5..ff037b015b5697c40f035534dde2a523a3f07647 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -971,6 +971,11 @@ public class ContentViewCore implements MotionEventDelegate {
                 x, y, computeHorizontalScrollOffset(), computeVerticalScrollOffset());
     }
 
+    @Override
+    public boolean hasFixedPageScale() {
+        return mNativeMinimumScale == mNativeMaximumScale;
+    }
+
     private void hidePopupDialog() {
         SelectPopupDialog.hide(this);
     }