[SmartText selection] Implement TextClassifier getter and setter

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 4f436b5e09870483f6b5ea3a2654b2a38c20fedb..a58de8caa78bf35d74db0bbf263878d025e1cdac 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
@@ -422,4 +422,14 @@ public interface WebContents extends Parcelable {
      * @param value Whether there is a persistent video associated with this WebContents.
      */
     public void setHasPersistentVideo(boolean value);
+
+    /**
+     * Sets TextClassifierProvider objects.
+     */
+    public void setTextClassifierProvider(TextClassifierProvider provider);
+
+    /**
+     * Returns TextClassifierProvider objects that has been set by setTextClassifierProvider call.
+     */
+    public TextClassifierProvider getTextClassifierProvider();
 }