[Cronet] Remove CronetEngine.Builder JSON serial/deserialization APIs

components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java

Index: components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java
diff --git a/components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java b/components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java
index a7c5856d2ad50302720bd1bd624e40f55153c1d2..637d214dd7a22d47b253e487a5fd5ad60c817863 100644
--- a/components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java
+++ b/components/cronet/android/test/javatests/src/org/chromium/net/CronetTestBase.java
@@ -23,7 +23,7 @@ public class CronetTestBase extends AndroidTestCase {
      * Starts the CronetTest framework.
      */
     protected CronetTestFramework startCronetTestFramework() {
-        return startCronetTestFrameworkWithUrlAndCommandLineArgs(null, null);
+        return startCronetTestFrameworkWithUrlAndCronetEngineBuilder(null, null);
     }
 
     /**
@@ -31,7 +31,17 @@ public class CronetTestBase extends AndroidTestCase {
      * null.
      */
     protected CronetTestFramework startCronetTestFrameworkWithUrl(String url) {
-        return startCronetTestFrameworkWithUrlAndCommandLineArgs(url, null);
+        return startCronetTestFrameworkWithUrlAndCronetEngineBuilder(url, null);
+    }
+
+    /**
+     * Starts the CronetTest framework using the provided CronetEngine.Builder
+     * and loads the given URL. The URL can be null.
+     */
+    protected CronetTestFramework startCronetTestFrameworkWithUrlAndCronetEngineBuilder(
+            String url, CronetEngine.Builder builder) {
+        mCronetTestFramework = new CronetTestFramework(url, null, getContext(), builder);
+        return mCronetTestFramework;
     }
 
     /**
@@ -40,7 +50,7 @@ public class CronetTestBase extends AndroidTestCase {
      */
     protected CronetTestFramework startCronetTestFrameworkWithUrlAndCommandLineArgs(
             String url, String[] commandLineArgs) {
-        mCronetTestFramework = new CronetTestFramework(url, commandLineArgs, getContext());
+        mCronetTestFramework = new CronetTestFramework(url, commandLineArgs, getContext(), null);
         return mCronetTestFramework;
     }