[Cronet] Enable persistence mode for Sdch

components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java

Index: components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java
diff --git a/components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java b/components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java
index 098b4009ac96c96c64620c3c12c9e09dc1bcc47a..c5b76644ae33647e14292207bd7b885c805ff479 100644
--- a/components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java
+++ b/components/cronet/android/test/src/org/chromium/net/CronetTestActivity.java
@@ -36,6 +36,8 @@ public class CronetTestActivity extends Activity {
     public static final String POST_DATA_KEY = "postData";
     public static final String CONFIG_KEY = "config";
     public static final String CACHE_KEY = "cache";
+    public static final String SDCH_KEY = "sdch";
+
     public static final String LIBRARY_INIT_KEY = "libraryInit";
     /**
       * Skips library initialization.
@@ -150,7 +152,7 @@ public class CronetTestActivity extends Activity {
         assertTrue(storage.mkdir());
     }
 
-    private String getTestStorage() {
+    String getTestStorage() {
         return PathUtils.getDataDirectory(getApplicationContext()) + "/test_storage";
     }
 
@@ -196,6 +198,11 @@ public class CronetTestActivity extends Activity {
             config.enableHttpCache(UrlRequestContextConfig.HttpCache.IN_MEMORY, 100 * 1024);
         }
 
+        String sdchString = getCommandLineArg(SDCH_KEY);
+        if (sdchString != null) {
+            config.enableSDCH(true);
+        }
+
         // Setting this here so it isn't overridden on the command line
         config.setLibraryName("cronet_tests");
         return config;