Use loader-based binding of GetInstallDetailsPayload for install_static.

chrome/install_static/install_details.cc

 // 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.
 
 #include "chrome/install_static/install_details.h"
 
 #include <assert.h>
 #include <string.h>
 
 #include <type_traits>
@@ skipping 49 matching lines @@
 // static
 const InstallDetails::Payload* InstallDetails::GetPayload() {
   assert(g_module_details);
   static_assert(std::is_pod<Payload>::value, "Payload must be a POD-struct");
   static_assert(std::is_pod<InstallConstants>::value,
                 "InstallConstants must be a POD-struct");
   return g_module_details->payload_;
 }
 
 // static
-void InstallDetails::InitializeFromPrimaryModule(
-    const wchar_t* primary_module_name) {
+void InstallDetails::InitializeFromPayload(
+    const InstallDetails::Payload* payload) {
   assert(!g_module_details);
-  using GetInstallDetailsPayloadFunction = const Payload*(__cdecl*)();
-  GetInstallDetailsPayloadFunction payload_getter =
-      reinterpret_cast<GetInstallDetailsPayloadFunction>(::GetProcAddress(
-          ::GetModuleHandle(primary_module_name), "GetInstallDetailsPayload"));
-  assert(payload_getter);
   // Intentionally leaked at shutdown.
-  g_module_details = new InstallDetails(payload_getter());
+  g_module_details = new InstallDetails(payload);
 }
 
 PrimaryInstallDetails::PrimaryInstallDetails() : InstallDetails(&payload_) {
   payload_.size = sizeof(payload_);
   payload_.product_version = &kProductVersion[0];
 }
 
 }  // namespace install_static