[Android] 'Open in new Chrome (incognito) tab under context menu does not work for images and videos

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java

Index: chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
index ad6202fdfd56aa5631e6209e84c5ffeb69df1e17..963e43dc5010b66726f2f9d439f9b8979f610b67 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java
@@ -8,6 +8,7 @@ import android.text.TextUtils;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.content_public.common.Referrer;
 
 /**
@@ -122,6 +123,16 @@ public class ContextMenuParams {
         return mCanSavemedia;
     }
 
+    /**
+     * @return Whether or not the context menu is been shown for a download item.
+     */
+    public boolean isFile() {
+        if (!TextUtils.isEmpty(mSrcUrl) && mSrcUrl.startsWith(UrlConstants.FILE_URL_PREFIX)) {
+            return true;
+        }
+        return false;
+    }
+
     private ContextMenuParams(int mediaType, String pageUrl, String linkUrl, String linkText,
             String unfilteredLinkUrl, String srcUrl, String titleText, boolean imageWasFetchedLoFi,
             Referrer referrer, boolean canSavemedia) {