Update from chromium https://crrev.com/302282

build/go/rules.gni

 # Copyright 2014 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.
 
 declare_args() {
   # By default, there is no go build tool, because go builds are not supported.
   go_build_tool = ""
 }
 
 # Declare a go test binary target.
@@ skipping 42 matching lines @@
       rebase_path("//", root_build_dir),
       "-I" + rebase_path("//"),
       " -L" + rebase_path(target_out_dir) +
       " -L" + rebase_path(root_build_dir + "/obj/third_party/libevent") +
       " -l" + static_library_name +
       " -lstdc++ -lpthread -lm -lglib-2.0 -levent",
       "test", "-c",
     ] + rebase_path(invoker.sources, build_dir)
   }
 }
-
-template("go_shared_library") {
-  # Only available on android for now.
-  assert(is_android)
-  assert(defined(invoker.sources))
-  assert(go_build_tool != "")
-
-  static_library_name = target_name + "_static_library"
-
-  static_library(static_library_name) {
-    complete_static_lib = true
-    deps = invoker.deps
-  }
-
-  action(target_name) {
-    deps = [ ":$static_library_name" ]
-    script = "//build/go/go.py"
-    outputs = [ "${target_out_dir}/${target_name}" ]
-    # Since go test does not permit specifying an output directory or output
-    # binary name, we create a temporary build directory, and the python
-    # script will later identify the output, copy it to the target location,
-    # and clean up the temporary build directory.
-    build_dir = "${target_out_dir}/${target_name}_build"
-    args = [
-      "--", 
-      "CGO_ENABLED=1 GOOS=android GOARCH=arm GOARM=7 ${go_build_tool}",
-      rebase_path(build_dir, root_build_dir),
-      rebase_path(target_out_dir, root_build_dir) + "/${target_name}",
-      rebase_path("//", root_build_dir),
-      "-I" + rebase_path("//"),
-      " -L" + rebase_path(target_out_dir) +
-       " -l" + static_library_name + "",
-      "build -ldflags=-shared",
-    ] + rebase_path(invoker.sources, build_dir)
-  }
-}