Revert "Revert 158067 - Remove native side of content_view_client"

android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java b/android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java
index 5e761b8c325799f9795aa0f880423e926124b66d..2946fe1944357395674ec8fa0d298b58daeedca3 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/TestAwContentsClient.java
@@ -38,27 +38,18 @@ class TestAwContentsClient extends NullContentsClient {
         return mOnEvaluateJavaScriptResultHelper;
     }
 
-    /**
-     * ATTENTION!: When overriding the following methods, be sure to call
-     * the corresponding methods in the super class. Otherwise
-     * {@link CallbackHelper#waitForCallback()} methods will
-     * stop working!
-     */
     @Override
     public void onPageStarted(String url) {
-        super.onPageStarted(url);
         mOnPageStartedHelper.notifyCalled(url);
     }
 
     @Override
     public void onPageFinished(String url) {
-        super.onPageFinished(url);
         mOnPageFinishedHelper.notifyCalled(url);
     }
 
     @Override
     public void onReceivedError(int errorCode, String description, String failingUrl) {
-        super.onReceivedError(errorCode, description, failingUrl);
         mOnReceivedErrorHelper.notifyCalled(errorCode, description, failingUrl);
     }