Add SetSupportsQuic method to explicitly specify server that supports QUIC.

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 d5a5c9b4e8c7dfffbeae5c680816d082ee2accce..b67cc20cec61bdbdd74b2d05034d86258e2e7d63 100644
--- a/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
+++ b/components/cronet/android/java/src/org/chromium/net/ChromiumUrlRequestContext.java
@@ -86,6 +86,20 @@ public class ChromiumUrlRequestContext {
         nativeStopNetLog(mChromiumUrlRequestContextAdapter);
     }
 
+    /**
+     * Explicitly mark |server| as supporting QUIC.
+     * Note that DISK CACHE must be enabled to take advantage or 0RTT QUIC.
+     *
+     * @param server URL of the server that supports QUIC
+     * @param alternatePort to use for QUIC
+     */
+    public void setQuicHint(String server, int alternatePort) {
+        if (!nativeSetQuicHint(mChromiumUrlRequestContextAdapter, server,
+                alternatePort)) {
+            throw new IllegalArgumentException("Invalid server URL: " + server);
+        }
+    }
+
     @CalledByNative
     private void initNetworkThread() {
         Thread.currentThread().setName("ChromiumNet");
@@ -125,14 +139,18 @@ public class ChromiumUrlRequestContext {
             String userAgent, int loggingLevel, String config);
 
     private native void nativeReleaseRequestContextAdapter(
-            long ChromiumUrlRequestContextAdapter);
+            long chromiumUrlRequestContextAdapter);
 
     private native void nativeInitializeStatistics();
 
     private native String nativeGetStatisticsJSON(String filter);
 
     private native void nativeStartNetLogToFile(
-            long ChromiumUrlRequestContextAdapter, String fileName);
+            long chromiumUrlRequestContextAdapter, String fileName);
+
+    private native void nativeStopNetLog(long chromiumUrlRequestContextAdapter);
 
-    private native void nativeStopNetLog(long ChromiumUrlRequestContextAdapter);
+    private native boolean nativeSetQuicHint(
+            long chromiumUrlRequestContextAdapter, String server,
+            int alternatePort);
 }