Revert of Android-side of insertion/selection handles visibility.

content/public/android/java/src/org/chromium/content/browser/input/CursorController.java

Index: content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java b/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
index 5bf4bada8af023347ff231547ad4ce5ce526df80..68f88bc950386cbd86cc722649930ef4e7127ea8 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/CursorController.java
@@ -4,57 +4,38 @@
 
 package org.chromium.content.browser.input;
 
-import android.graphics.Rect;
 import android.view.ViewTreeObserver;
 
 /**
  * A CursorController instance can be used to control a cursor in the text.
  */
-abstract class CursorController implements ViewTreeObserver.OnTouchModeChangeListener {
-
-    private Rect mVisibleClippingRectangle;
+interface CursorController extends ViewTreeObserver.OnTouchModeChangeListener {
 
     /**
      * Hide the cursor controller from screen.
      */
-    abstract void hide();
+    void hide();
 
     /**
      * @return true if the CursorController is currently visible
      */
-    abstract boolean isShowing();
+    boolean isShowing();
 
     /**
      * Called when the handle is about to start updating its position.
      * @param handle
      */
-    abstract void beforeStartUpdatingPosition(HandleView handle);
+    void beforeStartUpdatingPosition(HandleView handle);
 
     /**
      * Update the controller's position.
      */
-    abstract void updatePosition(HandleView handle, int x, int y);
+    void updatePosition(HandleView handle, int x, int y);
 
     /**
      * Called when the view is detached from window. Perform house keeping task, such as
      * stopping Runnable thread that would otherwise keep a reference on the context, thus
      * preventing the activity to be recycled.
      */
-    abstract void onDetached();
-
-    /**
-     * Sets the visible rectangle for text input elements as supplied by Blink.
-     */
-    public void setVisibleClippingRectangle(int left, int top, int right, int bottom) {
-        if (mVisibleClippingRectangle == null) {
-            mVisibleClippingRectangle = new Rect(left, top, right, bottom);
-        } else {
-            mVisibleClippingRectangle.set(left,top,right,bottom);
-        }
-    }
-
-    Rect getVisibleClippingRectangle() {
-        return mVisibleClippingRectangle;
-    }
-
+    void onDetached();
 }