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

third_party/protobuf/patches/03_componentize_protobuf_lite.patch

-diff --git a/third_party/protobuf/BUILD.gn b/third_party/protobuf/BUILD.gn
-index aaeae89..bcfdca1 100644
---- a/third_party/protobuf/BUILD.gn
-+++ b/third_party/protobuf/BUILD.gn
-@@ -18,6 +18,12 @@ config("protobuf_config") {
-   }
- }
- 
-+if (is_component_build) {
-+  config("protobuf_use_dlls") {
-+    defines = [ "PROTOBUF_USE_DLLS" ]
-+  }
-+}
-+
- # This config should be applied to targets using generated code from the proto
- # compiler. It sets up the include directories properly.
- config("using_proto") {
-@@ -50,6 +56,7 @@ protobuf_lite_sources = [
-   "src/google/protobuf/message.h",
-   "src/google/protobuf/message_lite.cc",
-   "src/google/protobuf/message_lite.h",
-+  "src/google/protobuf/metadata.cc",
-   "src/google/protobuf/metadata.h",
-   "src/google/protobuf/repeated_field.cc",
-   "src/google/protobuf/repeated_field.h",
-@@ -125,7 +132,7 @@ if (is_win) {
-   ]
- }
- 
--source_set("protobuf_lite") {
-+component("protobuf_lite") {
-   sources = protobuf_lite_sources
- 
-   configs -= [ "//build/config/compiler:chromium_code" ]
-@@ -141,6 +148,12 @@ source_set("protobuf_lite") {
-   ]
- 
-   cflags = protobuf_lite_cflags
-+
-+  # Required for component builds. See http://crbug.com/172800.
-+  if (is_component_build) {
-+    public_configs += [ ":protobuf_use_dlls" ]
-+    defines = [ "LIBPROTOBUF_EXPORTS" ]
-+  }
- }
- 
- # This is the full, heavy protobuf lib that's needed for c++ .protos that don't
-@@ -151,7 +164,8 @@ source_set("protobuf_full") {
-   # Prevent people from depending on this outside our file.
-   visibility = [ ":*" ]
- 
--  sources = [
-+  sources = protobuf_lite_sources
-+  sources += [
-     "src/google/protobuf/any.cc",
-     "src/google/protobuf/any.h",
-     "src/google/protobuf/any.pb.cc",
-@@ -281,10 +295,6 @@ source_set("protobuf_full") {
-   ]
- 
-   cflags = protobuf_lite_cflags
--
--  deps = [
--    ":protobuf_lite",
--  ]
- }
- 
- # Only compile the compiler for the host architecture.
-diff --git a/third_party/protobuf/README.chromium b/third_party/protobuf/README.chromium
-index aa428ad..04d1a9b 100644
---- a/third_party/protobuf/README.chromium
-+++ b/third_party/protobuf/README.chromium
-@@ -28,6 +28,7 @@ Steps used to create the current version:
-       patch and rebuild protoc; look at step (3) below and the
-       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 .
- (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/protobuf.gyp b/third_party/protobuf/protobuf.gyp
-index 9fba350..c7aab98 100644
---- a/third_party/protobuf/protobuf.gyp
-+++ b/third_party/protobuf/protobuf.gyp
-@@ -94,11 +94,21 @@
-         # to your .proto file.
-         {
-           'target_name': 'protobuf_lite',
--          'type': 'static_library',
-+          'type': '<(component)',
-           'toolsets': ['host', 'target'],
-           'includes': [
-             'protobuf_lite.gypi',
-           ],
-+          # Required for component builds. See http://crbug.com/172800.
-+          'defines': [
-+            'LIBPROTOBUF_EXPORTS',
-+            'PROTOBUF_USE_DLLS',
-+          ],
-+          'direct_dependent_settings': {
-+            'defines': [
-+              'PROTOBUF_USE_DLLS',
-+            ],
-+          },
-         },
-         # This is the full, heavy protobuf lib that's needed for c++ .protos
-         # that don't specify the LITE_RUNTIME option.  The protocol
-@@ -109,6 +119,9 @@
-           'target_name': 'protobuf_full_do_not_use',
-           'type': 'static_library',
-           'toolsets': ['host','target'],
-+          'includes': [
-+            'protobuf_lite.gypi',
-+          ],
-           'sources': [
-             'src/google/protobuf/any.cc',
-             'src/google/protobuf/any.h',
-@@ -224,12 +237,6 @@
-             'src/google/protobuf/wrappers.pb.cc',
-             'src/google/protobuf/wrappers.pb.h',
-           ],
--          'dependencies': [
--            'protobuf_lite',
--          ],
--          'export_dependent_settings': [
--            'protobuf_lite',
--          ],
-         },
-         {
-           'target_name': 'protoc',
-diff --git a/third_party/protobuf/protobuf_lite.gypi b/third_party/protobuf/protobuf_lite.gypi
-index 6415ab2..4d7007a 100644
---- a/third_party/protobuf/protobuf_lite.gypi
-+++ b/third_party/protobuf/protobuf_lite.gypi
-@@ -26,6 +26,7 @@
-     'src/google/protobuf/message.h',
-     'src/google/protobuf/message_lite.cc',
-     'src/google/protobuf/message_lite.h',
-+    'src/google/protobuf/metadata.cc',
-     'src/google/protobuf/metadata.h',
-     'src/google/protobuf/repeated_field.cc',
-     'src/google/protobuf/repeated_field.h',
-diff --git a/third_party/protobuf/src/google/protobuf/metadata.cc b/third_party/protobuf/src/google/protobuf/metadata.cc
-new file mode 100644
-index 0000000..99d2cf9
---- /dev/null
-+++ b/third_party/protobuf/src/google/protobuf/metadata.cc
-@@ -0,0 +1,42 @@
-+// Protocol Buffers - Google's data interchange format
-+// Copyright 2015 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.
-+
-+#include <google/protobuf/metadata.h>
-+
-+namespace google {
-+namespace protobuf {
-+namespace internal {
-+
-+InternalMetadataWithArena::InternalMetadataWithArena(Arena* arena)
-+    : ptr_ (arena) {}
-+
-+}  // namespace internal
-+}  // namespace protobuf
-+}  // namespace google
-diff --git a/third_party/protobuf/src/google/protobuf/metadata.h b/third_party/protobuf/src/google/protobuf/metadata.h
-index 30b2a6e..85065f0 100644
---- a/third_party/protobuf/src/google/protobuf/metadata.h
-+++ b/third_party/protobuf/src/google/protobuf/metadata.h
-@@ -59,8 +59,7 @@ namespace internal {
- class LIBPROTOBUF_EXPORT InternalMetadataWithArena {
-  public:
-   InternalMetadataWithArena() : ptr_(NULL) {}
--  explicit InternalMetadataWithArena(Arena* arena)
--      : ptr_ (arena) {}
-+  explicit InternalMetadataWithArena(Arena* arena);
- 
-   ~InternalMetadataWithArena() {
-     if (have_unknown_fields() && arena() == NULL) {
-diff --git a/third_party/protobuf/src/google/protobuf/stubs/port.h b/third_party/protobuf/src/google/protobuf/stubs/port.h
-index da695ff..a9f5fd9 100644
---- a/third_party/protobuf/src/google/protobuf/stubs/port.h
-+++ b/third_party/protobuf/src/google/protobuf/stubs/port.h
-@@ -63,18 +63,33 @@
-     #define PROTOBUF_LITTLE_ENDIAN 1
-   #endif
- #endif
--#if defined(_MSC_VER) && defined(PROTOBUF_USE_DLLS)
--  #ifdef LIBPROTOBUF_EXPORTS
--    #define LIBPROTOBUF_EXPORT __declspec(dllexport)
--  #else
--    #define LIBPROTOBUF_EXPORT __declspec(dllimport)
-+// The macros defined below are required in order to make protobuf_lite a
-+// component on all platforms. See http://crbug.com/172800.
-+#if defined(COMPONENT_BUILD) && defined(PROTOBUF_USE_DLLS)
-+  #if defined(_MSC_VER)
-+    #ifdef LIBPROTOBUF_EXPORTS
-+      #define LIBPROTOBUF_EXPORT __declspec(dllexport)
-+    #else
-+      #define LIBPROTOBUF_EXPORT __declspec(dllimport)
-+    #endif
-+    #ifdef LIBPROTOC_EXPORTS
-+      #define LIBPROTOC_EXPORT   __declspec(dllexport)
-+    #else
-+      #define LIBPROTOC_EXPORT   __declspec(dllimport)
-+    #endif
-+  #else  // defined(_MSC_VER)
-+    #ifdef LIBPROTOBUF_EXPORTS
-+      #define LIBPROTOBUF_EXPORT __attribute__((visibility("default")))
-+    #else
-+      #define LIBPROTOBUF_EXPORT
-+    #endif
-+    #ifdef LIBPROTOC_EXPORTS
-+      #define LIBPROTOC_EXPORT   __attribute__((visibility("default")))
-+    #else
-+      #define LIBPROTOC_EXPORT
-+    #endif
-   #endif
--  #ifdef LIBPROTOC_EXPORTS
--    #define LIBPROTOC_EXPORT   __declspec(dllexport)
--  #else
--    #define LIBPROTOC_EXPORT   __declspec(dllimport)
--  #endif
--#else
-+#else  // defined(COMPONENT_BUILD) && defined(PROTOBUF_USE_DLLS)
-   #define LIBPROTOBUF_EXPORT
-   #define LIBPROTOC_EXPORT
- #endif