Fix build break due to printing changes.

Change-Id: Id7a4dc15ca0d4e62aaa6f1bb72c49039e9dce05e
(cherry picked from commit 446527cc7e4f0a5df72ca9c4d68753a698e2895b)
diff --git a/chromium/java/com/android/webview/chromium/WebViewChromium.java b/chromium/java/com/android/webview/chromium/WebViewChromium.java
index c8601f8..8896498 100644
--- a/chromium/java/com/android/webview/chromium/WebViewChromium.java
+++ b/chromium/java/com/android/webview/chromium/WebViewChromium.java
@@ -27,6 +27,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Message;
+import android.print.PrintDocumentAdapter;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Log;
@@ -62,7 +63,6 @@
 
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.OutputStream;
 import java.lang.annotation.Annotation;
 import java.util.concurrent.FutureTask;
 import java.util.concurrent.TimeUnit;
@@ -612,11 +612,10 @@
     }
 
     @Override
-    public void exportToPdf(OutputStream stream, int width, int height,
-            ValueCallback<Boolean> resultCallback) {
+    public PrintDocumentAdapter createPrintDocumentAdapter() {
         checkThread();
-        // TODO(sgurun) enable this only after upstream part lands
-        //mAwContents.exportToPdf(stream, width, height, resultCallback);
+        // TODO(sgurun) fix this after upstream part lands
+        return null;
     }
 
     @Override