Skip network availabity check for localhost in MediaResourceGetter.

content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java

Index: content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java b/content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java
index 5e334820aeadc2ddb147b9039c406b963a3017c2..5da4676758bca8e8c9a7afbe1b91fb7697340115 100644
--- a/content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/MediaResourceGetter.java
@@ -9,7 +9,6 @@ import android.content.pm.PackageManager;
 import android.media.MediaMetadataRetriever;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
-import android.net.Uri;
 import android.text.TextUtils;
 import android.util.Log;
 
@@ -21,6 +20,7 @@ import org.chromium.base.PathUtils;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.URI;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -188,7 +188,7 @@ class MediaResourceGetter {
 
     @VisibleForTesting
     boolean configure(Context context, String url, String cookies, String userAgent) {
-        Uri uri = Uri.parse(url);
+        URI uri = URI.create(url);
         String scheme = uri.getScheme();
         if (scheme == null || scheme.equals("file")) {
             File file = uriToFile(uri.getPath());
@@ -208,7 +208,8 @@ class MediaResourceGetter {
                 return false;
             }
         } else {
-            if (!isNetworkReliable(context)) {
+            final String host = uri.getHost();
+            if (!isLoopbackAddress(host) && !isNetworkReliable(context)) {
                 Log.w(TAG, "non-file URI can't be read due to unsuitable network conditions");
                 return false;
             }
@@ -260,6 +261,14 @@ class MediaResourceGetter {
         }
     }
 
+    // This method covers only typcial expressions for the loopback address
+    // to resolve the hostname without a DNS loopup.
+    private boolean isLoopbackAddress(String host) {
+        return host != null && (host.equalsIgnoreCase("localhost")  // typical hostname
+                || host.equals("127.0.0.1")  // typical IP v4 expression
+                || host.equals("[::1]"));  // typical IP v6 expression
+    }
+
     /**
      * @param file the file whose path should be checked
      * @return true if and only if the file is in a location that we consider