Use precompiled headers for most large projects.

content/gpu/gpu_dx_diagnostics_win.cc

 // Copyright (c) 2011 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.
 //
 // Functions to enumerate the Dx Diagnostic Tool hierarchy and build up
 // a tree of nodes with name / value properties.
 
 #define INITGUID
 #include <dxdiag.h>
 #include <windows.h>
 
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "content/gpu/gpu_info_collector.h"
 
+// Functions in this file depend on functions exported from dxguid.dll.
+#pragma comment(lib, "dxguid.lib")

[jeanluc1, 2011/09/06 19:32:33]

Sorry to revisit this, but why a pragma rather than specifying the lib at link
time?  That's more where people would look for it.

+
 namespace {
 
 // Traverses the IDxDiagContainer tree and populates a tree of DxDiagNode
 // structures that contains property name / value pairs and subtrees of DirectX
 // diagnostic information.
 void RecurseDiagnosticTree(DxDiagNode* output,
                            IDxDiagContainer* container,
                            int depth) {
   HRESULT hr;
 
@@ skipping 99 matching lines @@
 
         root->Release();
       }
     }
     provider->Release();
   }
 
   return success;
 }
 }  // namespace gpu_info_collector