Snapshot of all changes to get jumbo in blink and content.

third_party/WebKit/Source/modules/fetch/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/modules/modules.gni")
 
 blink_modules_sources("fetch") {
   sources = [
     "BlobBytesConsumer.cpp",
     "BlobBytesConsumer.h",
@@ skipping 25 matching lines @@
     "MultipartParser.h",
     "ReadableStreamBytesConsumer.cpp",
     "ReadableStreamBytesConsumer.h",
     "Request.cpp",
     "Request.h",
     "RequestInit.cpp",
     "RequestInit.h",
     "Response.cpp",
     "Response.h",
   ]
+
+  if (is_win && is_component_build) {
+    # Body.cpp exports a class (MODULES_EXPORT) that inherits from
+    # PairIterable<String, String> that is also used as base class by an
+    # imported (CORE_EXPORT) class and that confuses the Windows
+    # linker/compiler. https://crbug.com/739340
+    jumbo_excluded_sources = [ "Body.cpp" ]
+  }
 }