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

third_party/protobuf/README.chromium

Index: third_party/protobuf/README.chromium
diff --git a/third_party/protobuf/README.chromium b/third_party/protobuf/README.chromium
index 0af6f79293d752e9d1bba1ce4224e80313803892..53aac51ecc74625724ff70a00fe8a7a31d6110a2 100644
--- a/third_party/protobuf/README.chromium
+++ b/third_party/protobuf/README.chromium
@@ -3,14 +3,13 @@ Short Name: protobuf
 URL: https://github.com/google/protobuf
 License: BSD
 License File: LICENSE
-Version: 3.0.0-beta-2
-Revision: d5fb408ddc281ffcadeb08699e65bb694656d0bd
+Version: 3.0.0-beta-3
+Revision: 3470b6895aa659b7559ed678e029a5338e535f14
 Security Critical: yes
 
 Steps used to create the current version:
 1. Pull the release from https://github.com/google/protobuf/releases
-2. Use the cleanup_release.sh script to remove unnecessary files.
-3. Add build files (BUILD.gn, proto_library.gni, protobuf.gyp,
+2. Add build files (BUILD.gn, proto_library.gni, protobuf.gyp,
    protobuf_lite.gypi, protobuf_nacl.gyp).
 
    Be sure to update the list of source files, as additional .cc files and
@@ -19,9 +18,9 @@ Steps used to create the current version:
 
    Other things to care about are defines required by protobuf on various
    platforms, warnings generated by compilers, and new dependencies introduced.
-4. Get open-source library six.py from https://pypi.python.org/pypi/six/ and add
+3. Get open-source library six.py from https://pypi.python.org/pypi/six/ and add
    it to protobuf/third_party/six/six.py.
-5. Apply patches in patches/ (see the description below):
+4. Apply patches in patches/ (see the description below):
 
    $ for patch in patches/*; do patch -s -p1 < $patch; done
 
@@ -68,17 +67,12 @@ Description of the patches:
   protobuf symbols in Linux .so libraries, so that protobuf can be built as a
   component (see http://crrev.com/179806).
 
-- 0005-fix-no-threadlocal-on-mac.patch
+- 0005-fix-include-js-generator.protobuf
 
-  Apple's Clang doesn't support thread-local variables on Mac.
+  During merge with internal branch, the <> in one of the #includes were
+  accidentally replaced with "", which results in a failure in checkdeps.
 
-- 0006-fix-clang-type-errors.patch
-
-  New versions of Clang have type checking semantics that check the conformance
-  with the C++ standard more thorougly, which makes them a bit more
-  restrictive. This cherry-picks upstream commits
-  3cc35adb6dca9057a790d253b9f5e2b9b000a106 and
-  58f07644eab25f68973ecab4bdc43fc318c26131.
+  Fixed in https://github.com/google/protobuf/pull/1547.
 
 - 0007-uninline_googleonce.patch
 - 0008-uninline_get_empty_string.patch
@@ -87,12 +81,10 @@ Description of the patches:
 
   These patches uninline some functions, resulting in a significant reduction
   (somewhere between 500 KB and 1 MB) of binary size.
-- 0011-use-offsetof-for-clang.patch
 
-  This patch replaces a few invalid reinterpret_casts with __builtin_offsetof,
-  if compiled with Clang. This is a temporary patch, it should be deletd, when
-  the official github repo is updates with this changes already submitted to
-  the internal Google repo.
+- 0011-libprotobuf_export.patch
+
+  During merge with internal branch, the dll export attribute was accidentally
+  removed in C++11 mode.
 
-  See also: https://crbug.com/607751 and
-  https://github.com/google/protobuf/issues/1450
+  Fixed in https://github.com/google/protobuf/pull/1549