win: Remove GetModuleFromAddress, deduplicate __ImageBase code.

base/win/message_window.cc

 // Copyright 2013 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 "base/win/message_window.h"
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/process/memory.h"
+#include "base/win/current_module.h"
 #include "base/win/wrapped_window_proc.h"
 
 const wchar_t kMessageWindowClassName[] = L"Chrome_MessageWindow";
 
 namespace base {
 namespace win {
 
 // Used along with LazyInstance to register a window class for message-only
 // windows created by MessageWindow.
 class MessageWindow::WindowClass {
  public:
   WindowClass();
   ~WindowClass();
 
   ATOM atom() { return atom_; }
   HINSTANCE instance() { return instance_; }
 
  private:
   ATOM atom_;
   HINSTANCE instance_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowClass);
 };
 
 static LazyInstance<MessageWindow::WindowClass> g_window_class =
     LAZY_INSTANCE_INITIALIZER;
 
 MessageWindow::WindowClass::WindowClass()
-    : atom_(0),
-      instance_(base::GetModuleFromAddress(&MessageWindow::WindowProc)) {
+    : atom_(0), instance_(CURRENT_MODULE()) {
   WNDCLASSEX window_class;
   window_class.cbSize = sizeof(window_class);
   window_class.style = 0;
   window_class.lpfnWndProc = &base::win::WrappedWindowProc<WindowProc>;
   window_class.cbClsExtra = 0;
   window_class.cbWndExtra = 0;
   window_class.hInstance = instance_;
   window_class.hIcon = NULL;
   window_class.hCursor = NULL;
   window_class.hbrBackground = NULL;
@@ skipping 106 matching lines @@
     LRESULT message_result;
     if (self->message_callback_.Run(message, wparam, lparam, &message_result))
       return message_result;
   }
 
   return DefWindowProc(hwnd, message, wparam, lparam);
 }
 
 }  // namespace win
 }  // namespace base