[SmartText selection] Implement TextClassifier getter and setter

content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java

Index: content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
index e2eebabac8082e7b55b7c1250e9cf4cf6da5d887..95c1d478b9de28a8896bf8d9e6521fe821eb8921 100644
--- a/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
+++ b/content/public/android/java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java
@@ -30,6 +30,7 @@ import org.chromium.content_public.browser.MessagePort;
 import org.chromium.content_public.browser.NavigationController;
 import org.chromium.content_public.browser.RenderFrameHost;
 import org.chromium.content_public.browser.SmartClipCallback;
+import org.chromium.content_public.browser.TextClassifierProvider;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.content_public.browser.WebContentsObserver;
 import org.chromium.ui.OverscrollRefreshHandler;
@@ -110,6 +111,8 @@ import java.util.UUID;
 
     private EventForwarder mEventForwarder;
 
+    private TextClassifierProvider mTextClassifierProvider;
+
     private WebContentsImpl(
             long nativeWebContentsAndroid, NavigationController navigationController) {
         mNativeWebContentsAndroid = nativeWebContentsAndroid;
@@ -560,6 +563,16 @@ import java.util.UUID;
         return nativeHasActiveEffectivelyFullscreenVideo(mNativeWebContentsAndroid);
     }
 
+    @Override
+    public void setTextClassifierProvider(TextClassifierProvider provider) {
+        mTextClassifierProvider = provider;
+    }
+
+    @Override
+    public TextClassifierProvider getTextClassifierProvider() {
+        return mTextClassifierProvider;
+    }
+
     @CalledByNative
     private final void setMediaSession(MediaSessionImpl mediaSession) {
         mMediaSession = mediaSession;