Update third_party/protobuf to protobuf-v3.0.0-beta-3

third_party/protobuf/java/core/src/test/java/com/google/protobuf/ByteStringTest.java

Index: third_party/protobuf/java/core/src/test/java/com/google/protobuf/ByteStringTest.java
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/ByteStringTest.java b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ByteStringTest.java
similarity index 97%
rename from third_party/protobuf/java/src/test/java/com/google/protobuf/ByteStringTest.java
rename to third_party/protobuf/java/core/src/test/java/com/google/protobuf/ByteStringTest.java
index 36f642515ce11b1551b0805851ceb2cf7b85b766..ad9f266e4cdb4f96c99faafcffda742907ed4cb6 100644
--- a/third_party/protobuf/java/src/test/java/com/google/protobuf/ByteStringTest.java
+++ b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/ByteStringTest.java
@@ -39,6 +39,7 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.reflect.Field;
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
@@ -655,11 +656,11 @@ public class ByteStringTest extends TestCase {
     // trees of empty leaves, to make a string that will fail this test.
     for (int i = 1; i < duo.size(); ++i) {
       assertTrue("Substrings of size() < 2 must not be RopeByteStrings",
-          duo.substring(i - 1, i) instanceof LiteralByteString);
+          duo.substring(i - 1, i) instanceof ByteString.LeafByteString);
     }
     for (int i = 1; i < quintet.size(); ++i) {
       assertTrue("Substrings of size() < 2 must not be RopeByteStrings",
-          quintet.substring(i - 1, i) instanceof LiteralByteString);
+          quintet.substring(i - 1, i) instanceof ByteString.LeafByteString);
     }
   }
 
@@ -724,7 +725,7 @@ public class ByteStringTest extends TestCase {
     }
     data1[1] = (byte) 11;
     // Test LiteralByteString.writeTo(OutputStream,int,int)
-    LiteralByteString left = new LiteralByteString(data1);
+    ByteString left = ByteString.wrap(data1);
     byte[] result = substringUsingWriteTo(left, 1, 1);
     assertEquals(1, result.length);
     assertEquals((byte) 11, result[0]);
@@ -733,7 +734,7 @@ public class ByteStringTest extends TestCase {
     for (int i = 0; i < data1.length; i++) {
       data2[i] = (byte) 2;
     }
-    LiteralByteString right = new LiteralByteString(data2);
+    ByteString right = ByteString.wrap(data2);
     // Concatenate two ByteStrings to create a RopeByteString.
     ByteString root = left.concat(right);
     // Make sure we are actually testing a RopeByteString with a simple tree
@@ -757,4 +758,17 @@ public class ByteStringTest extends TestCase {
     assertEquals((byte) 2, result[dataSize - dataSize / 2]);
     assertEquals((byte) 2, result[dataSize - 1]);
   }
+  
+  /**
+   * Tests ByteString uses Arrays based byte copier when running under Hotstop VM.
+   */
+  public void testByteArrayCopier() throws Exception {
+    Field field = ByteString.class.getDeclaredField("byteArrayCopier");
+    field.setAccessible(true);
+    Object byteArrayCopier = field.get(null);
+    assertNotNull(byteArrayCopier);
+    assertTrue(
+        byteArrayCopier.toString(),
+        byteArrayCopier.getClass().getSimpleName().endsWith("ArraysByteArrayCopier"));
+  }
 }