Refactor Samsung SmartClip implementation.

content/public/android/java/src/org/chromium/content_public/browser/WebContents.java

Index: content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
index 22bb994a982b845057fc8f3963a109d7e7e9f5ea..904c05fb9c11bf59edd8e321cf1b3c9c86a93b85 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/WebContents.java
@@ -6,6 +6,7 @@ package org.chromium.content_public.browser;
 
 import android.graphics.Bitmap;
 import android.graphics.Rect;
+import android.os.Handler;
 import android.os.Parcelable;
 
 import org.chromium.base.VisibleForTesting;
@@ -298,6 +299,17 @@ public interface WebContents extends Parcelable {
     int getThemeColor();
 
     /**
+     * Initiate extraction of text, HTML, and other information for clipping puposes (smart clip)
+     * from the rectangle area defined by starting positions (x and y), and width and height.
+     */
+    void requestSmartClipExtract(int x, int y, int width, int height);
+
+    /**
+     * Register a handler to handle smart clip data once extraction is done.
+     */
+    void setSmartClipResultHandler(final Handler smartClipHandler);
+
+    /**
      * Requests a snapshop of accessibility tree. The result is provided asynchronously
      * using the callback
      * @param callback The callback to be called when the snapshot is ready. The callback