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

third_party/protobuf/patches/0002-revert-patch-internal-change-111557819.patch

Index: third_party/protobuf/patches/0002-revert-patch-internal-change-111557819.patch
diff --git a/third_party/protobuf/patches/0002-revert-patch-internal-change-111557819.patch b/third_party/protobuf/patches/0002-revert-patch-internal-change-111557819.patch
new file mode 100644
index 0000000000000000000000000000000000000000..8d31af23e7508095cfee67f7407ddcda0ed265c0
--- /dev/null
+++ b/third_party/protobuf/patches/0002-revert-patch-internal-change-111557819.patch
@@ -0,0 +1,323 @@
+From 6be517aa1ada68d9245c90f82902600ca99bb72f Mon Sep 17 00:00:00 2001
+From: Adam Michalik <xyzzyz@google.com>
+Date: Thu, 19 May 2016 15:00:25 -0700
+Subject: [PATCH] Revert "Patch internal change 111557819."
+
+This reverts commit 76195058e25d19fc918996d55d3ad69ee55cb77e.
+---
+ src/google/protobuf/compiler/cpp/cpp_message.cc    | 30 ++------
+ src/google/protobuf/io/coded_stream.cc             | 18 -----
+ src/google/protobuf/io/coded_stream.h              |  1 -
+ .../protobuf/io/zero_copy_stream_impl_lite.cc      | 31 --------
+ .../protobuf/io/zero_copy_stream_impl_lite.h       | 24 -------
+ src/google/protobuf/stubs/callback.h               | 83 ----------------------
+ 6 files changed, 5 insertions(+), 182 deletions(-)
+
+diff --git a/src/google/protobuf/compiler/cpp/cpp_message.cc b/src/google/protobuf/compiler/cpp/cpp_message.cc
+index da2a4c9..0cefd4e 100644
+--- a/src/google/protobuf/compiler/cpp/cpp_message.cc
++++ b/src/google/protobuf/compiler/cpp/cpp_message.cc
+@@ -1775,18 +1775,6 @@ GenerateShutdownCode(io::Printer* printer) {
+ 
+ void MessageGenerator::
+ GenerateClassMethods(io::Printer* printer) {
+-  // mutable_unknown_fields wrapper function for LazyStringOutputStream
+-  // callback.
+-  if (PreserveUnknownFields(descriptor_) &&
+-      !UseUnknownFieldSet(descriptor_->file(), options_)) {
+-    printer->Print(
+-        "static ::std::string* MutableUnknownFieldsFor$classname$(\n"
+-        "    $classname$* ptr) {\n"
+-        "  return ptr->mutable_unknown_fields();\n"
+-        "}\n"
+-        "\n",
+-        "classname", classname_);
+-  }
+   if (IsAnyMessage(descriptor_)) {
+     printer->Print(
+       "void $classname$::PackFrom(const ::google::protobuf::Message& message) {\n"
+@@ -2849,9 +2837,7 @@ GenerateMergeFrom(io::Printer* printer) {
+         "}\n");
+     } else {
+       printer->Print(
+-        "if (!from.unknown_fields().empty()) {\n"
+-        "  mutable_unknown_fields()->append(from.unknown_fields());\n"
+-        "}\n");
++        "mutable_unknown_fields()->append(from.unknown_fields());\n");
+     }
+   }
+ 
+@@ -2929,18 +2915,12 @@ GenerateMergeFromCodedStream(io::Printer* printer) {
+     "  ::google::protobuf::uint32 tag;\n",
+     "classname", classname_);
+ 
+-  if (PreserveUnknownFields(descriptor_) &&
+-      !UseUnknownFieldSet(descriptor_->file(), options_)) {
+-    // Use LazyStringOutputString to avoid initializing unknown fields string
+-    // unless it is actually needed. For the same reason, disable eager refresh
+-    // on the CodedOutputStream.
++  if (!UseUnknownFieldSet(descriptor_->file())) {
+     printer->Print(
+-      "  ::google::protobuf::io::LazyStringOutputStream unknown_fields_string(\n"
+-      "      ::google::protobuf::internal::NewPermanentCallback(\n"
+-      "          &MutableUnknownFieldsFor$classname$, this));\n"
++      "  ::google::protobuf::io::StringOutputStream unknown_fields_string(\n"
++      "      mutable_unknown_fields());\n"
+       "  ::google::protobuf::io::CodedOutputStream unknown_fields_stream(\n"
+-      "      &unknown_fields_string, false);\n",
+-      "classname", classname_);
++      "      &unknown_fields_string);\n");
+   }
+ 
+   printer->Print(
+diff --git a/src/google/protobuf/io/coded_stream.cc b/src/google/protobuf/io/coded_stream.cc
+index d8354c1..7df2fed 100644
+--- a/src/google/protobuf/io/coded_stream.cc
++++ b/src/google/protobuf/io/coded_stream.cc
+@@ -629,24 +629,6 @@ CodedOutputStream::CodedOutputStream(ZeroCopyOutputStream* output)
+   had_error_ = false;
+ }
+ 
+-CodedOutputStream::CodedOutputStream(ZeroCopyOutputStream* output,
+-                                     bool do_eager_refresh)
+-  : output_(output),
+-    buffer_(NULL),
+-    buffer_size_(0),
+-    total_bytes_(0),
+-    had_error_(false),
+-    aliasing_enabled_(false) {
+-  if (do_eager_refresh) {
+-    // Eagerly Refresh() so buffer space is immediately available.
+-    Refresh();
+-    // The Refresh() may have failed. If the client doesn't write any data,
+-    // though, don't consider this an error. If the client does write data, then
+-    // another Refresh() will be attempted and it will set the error once again.
+-    had_error_ = false;
+-  }
+-}
+-
+ CodedOutputStream::~CodedOutputStream() {
+   Trim();
+ }
+diff --git a/src/google/protobuf/io/coded_stream.h b/src/google/protobuf/io/coded_stream.h
+index c81a33a..f211c69 100644
+--- a/src/google/protobuf/io/coded_stream.h
++++ b/src/google/protobuf/io/coded_stream.h
+@@ -666,7 +666,6 @@ class LIBPROTOBUF_EXPORT CodedOutputStream {
+  public:
+   // Create an CodedOutputStream that writes to the given ZeroCopyOutputStream.
+   explicit CodedOutputStream(ZeroCopyOutputStream* output);
+-  CodedOutputStream(ZeroCopyOutputStream* output, bool do_eager_refresh);
+ 
+   // Destroy the CodedOutputStream and position the underlying
+   // ZeroCopyOutputStream immediately after the last byte written.
+diff --git a/src/google/protobuf/io/zero_copy_stream_impl_lite.cc b/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
+index e6ca88c..b6b85f4 100644
+--- a/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
++++ b/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
+@@ -157,7 +157,6 @@ StringOutputStream::~StringOutputStream() {
+ }
+ 
+ bool StringOutputStream::Next(void** data, int* size) {
+-  GOOGLE_CHECK(target_ != NULL);
+   int old_size = target_->size();
+ 
+   // Grow the string.
+@@ -189,44 +188,14 @@ bool StringOutputStream::Next(void** data, int* size) {
+ 
+ void StringOutputStream::BackUp(int count) {
+   GOOGLE_CHECK_GE(count, 0);
+-  GOOGLE_CHECK(target_ != NULL);
+   GOOGLE_CHECK_LE(count, target_->size());
+   target_->resize(target_->size() - count);
+ }
+ 
+ int64 StringOutputStream::ByteCount() const {
+-  GOOGLE_CHECK(target_ != NULL);
+   return target_->size();
+ }
+ 
+-void StringOutputStream::SetString(string* target) {
+-  target_ = target;
+-}
+-
+-// ===================================================================
+-
+-LazyStringOutputStream::LazyStringOutputStream(
+-    ResultCallback<string*>* callback)
+-    : StringOutputStream(NULL),
+-      callback_(GOOGLE_CHECK_NOTNULL(callback)),
+-      string_is_set_(false) {
+-}
+-
+-LazyStringOutputStream::~LazyStringOutputStream() {
+-}
+-
+-bool LazyStringOutputStream::Next(void** data, int* size) {
+-  if (!string_is_set_) {
+-    SetString(callback_->Run());
+-    string_is_set_ = true;
+-  }
+-  return StringOutputStream::Next(data, size);
+-}
+-
+-int64 LazyStringOutputStream::ByteCount() const {
+-  return string_is_set_ ? StringOutputStream::ByteCount() : 0;
+-}
+-
+ // ===================================================================
+ 
+ CopyingInputStream::~CopyingInputStream() {}
+diff --git a/src/google/protobuf/io/zero_copy_stream_impl_lite.h b/src/google/protobuf/io/zero_copy_stream_impl_lite.h
+index 9d81ccf..650f4fc 100644
+--- a/src/google/protobuf/io/zero_copy_stream_impl_lite.h
++++ b/src/google/protobuf/io/zero_copy_stream_impl_lite.h
+@@ -149,9 +149,6 @@ class LIBPROTOBUF_EXPORT StringOutputStream : public ZeroCopyOutputStream {
+   void BackUp(int count);
+   int64 ByteCount() const;
+ 
+- protected:
+-  void SetString(string* target);
+-
+  private:
+   static const int kMinimumSize = 16;
+ 
+@@ -160,27 +157,6 @@ class LIBPROTOBUF_EXPORT StringOutputStream : public ZeroCopyOutputStream {
+   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringOutputStream);
+ };
+ 
+-// LazyStringOutputStream is a StringOutputStream with lazy acquisition of
+-// the output string from a callback. The string is owned externally, and not
+-// deleted in the stream destructor.
+-class LIBPROTOBUF_EXPORT LazyStringOutputStream : public StringOutputStream {
+- public:
+-  // Callback should be permanent (non-self-deleting). Ownership is transferred
+-  // to the LazyStringOutputStream.
+-  explicit LazyStringOutputStream(ResultCallback<string*>* callback);
+-  ~LazyStringOutputStream();
+-
+-  // implements ZeroCopyOutputStream, overriding StringOutputStream -----------
+-  bool Next(void** data, int* size);
+-  int64 ByteCount() const;
+-
+- private:
+-  const google::protobuf::scoped_ptr<ResultCallback<string*> > callback_;
+-  bool string_is_set_;
+-
+-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(LazyStringOutputStream);
+-};
+-
+ // Note:  There is no StringInputStream.  Instead, just create an
+ // ArrayInputStream as follows:
+ //   ArrayInputStream input(str.data(), str.size());
+diff --git a/src/google/protobuf/stubs/callback.h b/src/google/protobuf/stubs/callback.h
+index 87271c5..6da530d 100644
+--- a/src/google/protobuf/stubs/callback.h
++++ b/src/google/protobuf/stubs/callback.h
+@@ -78,18 +78,6 @@ class LIBPROTOBUF_EXPORT Closure {
+   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Closure);
+ };
+ 
+-template<typename R>
+-class ResultCallback {
+- public:
+-  ResultCallback() {}
+-  virtual ~ResultCallback() {}
+-
+-  virtual R Run() = 0;
+-
+- private:
+-  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ResultCallback);
+-};
+-
+ template<typename R, typename A1>
+ class LIBPROTOBUF_EXPORT ResultCallback1 {
+  public:
+@@ -252,50 +240,6 @@ class MethodClosure2 : public Closure {
+   Arg2 arg2_;
+ };
+ 
+-template<typename R>
+-class FunctionResultCallback_0_0 : public ResultCallback<R> {
+- public:
+-  typedef R (*FunctionType)();
+-
+-  FunctionResultCallback_0_0(FunctionType function, bool self_deleting)
+-      : function_(function), self_deleting_(self_deleting) {}
+-  ~FunctionResultCallback_0_0() {}
+-
+-  R Run() {
+-    bool needs_delete = self_deleting_;  // read in case callback deletes
+-    R result = function_();
+-    if (needs_delete) delete this;
+-    return result;
+-  }
+-
+- private:
+-  FunctionType function_;
+-  bool self_deleting_;
+-};
+-
+-template<typename R, typename P1>
+-class FunctionResultCallback_1_0 : public ResultCallback<R> {
+- public:
+-  typedef R (*FunctionType)(P1);
+-
+-  FunctionResultCallback_1_0(FunctionType function, bool self_deleting,
+-                             P1 p1)
+-      : function_(function), self_deleting_(self_deleting), p1_(p1) {}
+-  ~FunctionResultCallback_1_0() {}
+-
+-  R Run() {
+-    bool needs_delete = self_deleting_;  // read in case callback deletes
+-    R result = function_(p1_);
+-    if (needs_delete) delete this;
+-    return result;
+-  }
+-
+- private:
+-  FunctionType function_;
+-  bool self_deleting_;
+-  P1 p1_;
+-};
+-
+ template<typename R, typename Arg1>
+ class FunctionResultCallback_0_1 : public ResultCallback1<R, Arg1> {
+  public:
+@@ -464,33 +408,6 @@ inline Closure* NewPermanentCallback(
+     object, method, false, arg1, arg2);
+ }
+ 
+-// See ResultCallback
+-template<typename R>
+-inline ResultCallback<R>* NewCallback(R (*function)()) {
+-  return new internal::FunctionResultCallback_0_0<R>(function, true);
+-}
+-
+-// See ResultCallback
+-template<typename R>
+-inline ResultCallback<R>* NewPermanentCallback(R (*function)()) {
+-  return new internal::FunctionResultCallback_0_0<R>(function, false);
+-}
+-
+-// See ResultCallback
+-template<typename R, typename P1>
+-inline ResultCallback<R>* NewCallback(R (*function)(P1), P1 p1) {
+-  return new internal::FunctionResultCallback_1_0<R, P1>(
+-      function, true, p1);
+-}
+-
+-// See ResultCallback
+-template<typename R, typename P1>
+-inline ResultCallback<R>* NewPermanentCallback(
+-    R (*function)(P1), P1 p1) {
+-  return new internal::FunctionResultCallback_1_0<R, P1>(
+-      function, false, p1);
+-}
+-
+ // See ResultCallback1
+ template<typename R, typename A1>
+ inline ResultCallback1<R, A1>* NewCallback(R (*function)(A1)) {
+-- 
+2.8.0.rc3.226.g39d4020
+