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 22e7c7dacbfd1c80ddb2d5e572fb0ef2a8a03a2a..9f94bb7e9506c3abd244b029113b9c378d458644 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContentsClient.java
@@ -17,6 +17,7 @@ import android.webkit.GeolocationPermissions;
 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;
@@ -181,6 +182,13 @@ public abstract class AwContentsClient {
 
     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);