Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/java/core/src/main/java/com/google/protobuf/ExtensionRegistryFactory.java

Index: third_party/protobuf/java/core/src/main/java/com/google/protobuf/ExtensionRegistryFactory.java
diff --git a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/ExtensionRegistryFactory.java b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/ExtensionRegistryFactory.java
deleted file mode 100644
index 23174e24c7a5782fec5bc6dc26b57d2aae001aa8..0000000000000000000000000000000000000000
--- a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/ExtensionRegistryFactory.java
+++ /dev/null
@@ -1,95 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package com.google.protobuf;
-
-import static com.google.protobuf.ExtensionRegistryLite.EMPTY_REGISTRY_LITE;
-
-/**
- * A factory object to create instances of {@link ExtensionRegistryLite}.
- * 
- * <p>
- * This factory detects (via reflection) if the full (non-Lite) protocol buffer libraries
- * are available, and if so, the instances returned are actually {@link ExtensionRegistry}.
- */
-final class ExtensionRegistryFactory {
-
-  static final String FULL_REGISTRY_CLASS_NAME = "com.google.protobuf.ExtensionRegistry";
-
-  /* Visible for Testing
-     @Nullable */
-  static final Class<?> EXTENSION_REGISTRY_CLASS = reflectExtensionRegistry();
-
-  /* @Nullable */
-  static Class<?> reflectExtensionRegistry() {
-    try {
-      return Class.forName(FULL_REGISTRY_CLASS_NAME);
-    } catch (ClassNotFoundException e) {
-      // The exception allocation is potentially expensive on Android (where it can be triggered
-      // many times at start up). Is there a way to ameliorate this?
-      return null;
-    }
-  }
-
-  /** Construct a new, empty instance. */
-  public static ExtensionRegistryLite create() {
-    if (EXTENSION_REGISTRY_CLASS != null) {
-      try {
-        return invokeSubclassFactory("newInstance");
-      } catch (Exception e) {
-        // return a Lite registry.
-      }
-    }
-    return new ExtensionRegistryLite();
-  }
-
-  /** Get the unmodifiable singleton empty instance. */
-  public static ExtensionRegistryLite createEmpty() {
-    if (EXTENSION_REGISTRY_CLASS != null) {
-      try {
-        return invokeSubclassFactory("getEmptyRegistry");
-      } catch (Exception e) {
-        // return a Lite registry.
-      }
-    }
-    return EMPTY_REGISTRY_LITE;
-  }
-
-  static boolean isFullRegistry(ExtensionRegistryLite registry) {
-    return EXTENSION_REGISTRY_CLASS != null
-        && EXTENSION_REGISTRY_CLASS.isAssignableFrom(registry.getClass());
-  }
-
-  private static final ExtensionRegistryLite invokeSubclassFactory(String methodName)
-      throws Exception {
-    return (ExtensionRegistryLite) EXTENSION_REGISTRY_CLASS
-        .getMethod(methodName).invoke(null);
-  }
-}