Revert of Handle media access permission request

android_webview/java/src/org/chromium/android_webview/AwContentsClient.java

Index: android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java b/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
index e5ce0273e995ae5e8bd6ed314a7e9244391d89fa..fa59347f18dd2c8e5076bd37c4b57a8e928244fd 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
@@ -17,7 +17,6 @@
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
 
-import org.chromium.android_webview.permission.AwPermissionRequest;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.WebContentsObserverAndroid;
 import org.chromium.net.NetError;
@@ -190,13 +189,6 @@
 
     public abstract void onGeolocationPermissionsHidePrompt();
 
-    // TODO(michaelbai): Change the abstract once merged
-    public /*abstract*/ void onPermissionRequest(AwPermissionRequest awPermissionRequest) {}
-
-    // TODO(michaelbai): Change the abstract once merged
-    public /*abstract*/ void onPermissionRequestCanceled(
-            AwPermissionRequest awPermissionRequest) {}
-
     public abstract void onScaleChangedScaled(float oldScale, float newScale);
 
     protected abstract void handleJsAlert(String url, String message, JsResultReceiver receiver);