[Cronet] Create Builders, rename UrlRequestContext to CronetEngine

components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java

Index: components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
diff --git a/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java b/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
index 2901071a2babed3357c018c3e87c4332c102fd3f..dbcfabcb9af720ba77daf814e482fbbc28a40b60 100644
--- a/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
+++ b/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
@@ -34,10 +34,10 @@ public class ChromiumUrlRequestContext {
      * Constructor.
      */
     protected ChromiumUrlRequestContext(
-            final Context context, String userAgent, UrlRequestContextConfig config) {
-        CronetLibraryLoader.ensureInitialized(context, config);
+            final Context context, String userAgent, CronetEngine.Builder builder) {
+        CronetLibraryLoader.ensureInitialized(context, builder);
         mChromiumUrlRequestContextAdapter =
-                nativeCreateRequestContextAdapter(userAgent, getLoggingLevel(), config.toString());
+                nativeCreateRequestContextAdapter(userAgent, getLoggingLevel(), builder.toString());
         if (mChromiumUrlRequestContextAdapter == 0) {
             throw new NullPointerException("Context Adapter creation failed");
         }