[Android WebView] Convert context menu callback to long press

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview;
 
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Rect;
@@ skipping 812 matching lines @@
         mPossiblyStaleHitTestData.href = href;
         mPossiblyStaleHitTestData.anchorText = anchorText;
         mPossiblyStaleHitTestData.imgSrc = imgSrc;
     }
 
     @CalledByNative
     private void invalidate() {
         mContainerView.invalidate();
     }
 
+    @CalledByNative
+    private boolean performLongClick() {
+        return mContainerView.performLongClick();
+    }
+
     // -------------------------------------------------------------------------------------------
     // Helper methods
     // -------------------------------------------------------------------------------------------
 
     private void saveWebArchiveInternal(String path, final ValueCallback<String> callback) {
         if (path == null || mNativeAwContents == 0) {
             ThreadUtils.runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
                     callback.onReceiveValue(null);
@@ skipping 95 matching lines @@
     private native void nativeOnAttachedToWindow(int nativeAwContents, int w, int h);
     private native void nativeOnDetachedFromWindow(int nativeAwContents);
 
     // Returns null if save state fails.
     private native byte[] nativeGetOpaqueState(int nativeAwContents);
 
     // Returns false if restore state fails.
     private native boolean nativeRestoreFromOpaqueState(int nativeAwContents, byte[] state);
 
     private native int nativeReleasePopupWebContents(int nativeAwContents);
-    private native void  nativeSetWebContents(int nativeAwContents, int nativeNewWebContents);
+    private native void nativeSetWebContents(int nativeAwContents, int nativeNewWebContents);
 }