Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/patches/0010-uninline-generated-code.patch

Index: third_party/protobuf/patches/0010-uninline-generated-code.patch
diff --git a/third_party/protobuf/patches/0010-uninline-generated-code.patch b/third_party/protobuf/patches/0010-uninline-generated-code.patch
index 7d218b4f84e413ac8ec5a16937df7a9387604f8c..85274dee8dcceb279f5b9164664b43ebeafad7a0 100644
--- a/third_party/protobuf/patches/0010-uninline-generated-code.patch
+++ b/third_party/protobuf/patches/0010-uninline-generated-code.patch
@@ -1,3 +1,17 @@
+unchanged:
+--- protobuf-cleaned/src/google/protobuf/compiler/cpp/cpp_file.cc	2015-12-30 13:21:46.000000000 -0800
++++ protobuf-patched/src/google/protobuf/compiler/cpp/cpp_file.cc	2016-03-31 13:25:40.252007316 -0700
+@@ -337,7 +337,7 @@
+           "namespace {\n"
+           "\n"
+           "static void MergeFromFail(int line) GOOGLE_ATTRIBUTE_COLD;\n"
+-          "static void MergeFromFail(int line) {\n"
++          "GOOGLE_ATTRIBUTE_NOINLINE static void MergeFromFail(int line) {\n"
+           "  GOOGLE_CHECK(false) << __FILE__ << \":\" << line;\n"
+           "}\n"
+           "\n"
+only in patch2:
+unchanged:
 --- protobuf-cleaned/src/google/protobuf/compiler/cpp/cpp_message.cc	2015-12-30 13:21:46.000000000 -0800
 +++ protobuf-patched/src/google/protobuf/compiler/cpp/cpp_message.cc	2016-03-31 13:25:40.888006485 -0700
 @@ -1035,7 +1035,7 @@