Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/patches/04_uninline.patch

-diff --git a/third_party/protobuf/README.chromium b/third_party/protobuf/README.chromium
-index 04d1a9b..015dd0f 100644
---- a/third_party/protobuf/README.chromium
-+++ b/third_party/protobuf/README.chromium
-@@ -29,6 +29,7 @@ Steps used to create the current version:
-       generate_descriptor_proto.sh script in the protobuf root directory for a
-       guide.  Based on http://crrev.com/62331 and http://crrev.com/173228 .
-   03: Convert protobuf_lite to a component.  Based on http://crrev.com/179806 .
-+  04: Uninline various functions.  Based on http://crrev.com/307332 .
- (3) Generate descriptor_pb2.py using something like the following steps.  Make
-     sure you've regenerated your buildfiles and will build protoc from the
-     newly-modified sources above.
-diff --git a/third_party/protobuf/src/google/protobuf/generated_message_util.cc b/third_party/protobuf/src/google/protobuf/generated_message_util.cc
-index e8fb398..8b3d037 100644
---- a/third_party/protobuf/src/google/protobuf/generated_message_util.cc
-+++ b/third_party/protobuf/src/google/protobuf/generated_message_util.cc
-@@ -60,6 +60,11 @@ void InitEmptyString() {
-   OnShutdown(&DeleteEmptyString);
- }
- 
-+const ::std::string& GetEmptyString() {
-+  ::google::protobuf::GoogleOnceInit(&empty_string_once_init_, &InitEmptyString);
-+  return GetEmptyStringAlreadyInited();
-+}
-+
- int StringSpaceUsedExcludingSelf(const string& str) {
-   const void* start = &str;
-   const void* end = &str + 1;
-diff --git a/third_party/protobuf/src/google/protobuf/generated_message_util.h b/third_party/protobuf/src/google/protobuf/generated_message_util.h
-index 6357e27..ae8196b 100644
---- a/third_party/protobuf/src/google/protobuf/generated_message_util.h
-+++ b/third_party/protobuf/src/google/protobuf/generated_message_util.h
-@@ -84,10 +84,7 @@ LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyStringAlreadyInited() {
-   assert(empty_string_ != NULL);
-   return *empty_string_;
- }
--LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyString() {
--  ::google::protobuf::GoogleOnceInit(&empty_string_once_init_, &InitEmptyString);
--  return GetEmptyStringAlreadyInited();
--}
-+LIBPROTOBUF_EXPORT const ::std::string& GetEmptyString();
- 
- // Defined in generated_message_reflection.cc -- not actually part of the lite
- // library.
-diff --git a/third_party/protobuf/src/google/protobuf/stubs/once.cc b/third_party/protobuf/src/google/protobuf/stubs/once.cc
-index 889c647..1d93ddf 100644
---- a/third_party/protobuf/src/google/protobuf/stubs/once.cc
-+++ b/third_party/protobuf/src/google/protobuf/stubs/once.cc
-@@ -93,6 +93,13 @@ void GoogleOnceInitImpl(ProtobufOnceType* once, Closure* closure) {
-   }
- }
- 
-+void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)()) {
-+  if (internal::Acquire_Load(once) != ONCE_STATE_DONE) {
-+    internal::FunctionClosure0 func(init_func, false);
-+    GoogleOnceInitImpl(once, &func);
-+  }
-+}
-+
- }  // namespace protobuf
- }  // namespace google
- 
-diff --git a/third_party/protobuf/src/google/protobuf/stubs/once.h b/third_party/protobuf/src/google/protobuf/stubs/once.h
-index 1f082c3..9522b22 100644
---- a/third_party/protobuf/src/google/protobuf/stubs/once.h
-+++ b/third_party/protobuf/src/google/protobuf/stubs/once.h
-@@ -122,12 +122,8 @@ typedef internal::AtomicWord ProtobufOnceType;
- LIBPROTOBUF_EXPORT
- void GoogleOnceInitImpl(ProtobufOnceType* once, Closure* closure);
- 
--inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)()) {
--  if (internal::Acquire_Load(once) != ONCE_STATE_DONE) {
--    internal::FunctionClosure0 func(init_func, false);
--    GoogleOnceInitImpl(once, &func);
--  }
--}
-+LIBPROTOBUF_EXPORT
-+void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)());
- 
- template <typename Arg>
- inline void GoogleOnceInit(ProtobufOnceType* once, void (*init_func)(Arg*),