Add support for MojoCreateMessagePipeOptions struct to Java bindings

mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java

Index: mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java
diff --git a/mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java b/mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java
index b2eef0be8d91d7051dcd8ceafe65b7e73c36e392..df317d134d5911171bc5fbcff6be8b51c181c1e7 100644
--- a/mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java
+++ b/mojo/public/java/src/org/chromium/mojo/system/SharedBufferHandle.java
@@ -44,7 +44,7 @@ public interface SharedBufferHandle extends Handle {
      * Used to specify creation parameters for a shared buffer to |Core#createSharedBuffer()|.
      */
     public static class CreateOptions {
-        private CreateFlags mFlags = CreateFlags.none();
+        private CreateFlags mFlags = CreateFlags.NONE;
 
         /**
          * @return the flags
@@ -89,7 +89,7 @@ public interface SharedBufferHandle extends Handle {
      * |SharedBufferHandle#duplicate|
      */
     public static class DuplicateOptions {
-        private DuplicateFlags mFlags = DuplicateFlags.none();
+        private DuplicateFlags mFlags = DuplicateFlags.NONE;
 
         /**
          * @return the flags