Adding a mutator method for the private variables.

chrome/gpu/gpu_info_win.cc

Index: chrome/gpu/gpu_info_win.cc
===================================================================
--- chrome/gpu/gpu_info_win.cc	(revision 50541)
+++ chrome/gpu/gpu_info_win.cc	(working copy)
@@ -31,6 +31,17 @@
   return vertex_shader_version_;
 }
 
+void GPUInfo::SetGraphicsInfo(uint32 vendor_id, uint32 device_id,
+                              const std::wstring& driver_version,
+                              uint32 pixel_shader_version,
+                              uint32 vertex_shader_version) {
+  vendor_id_ = vendor_id;
+  device_id_ = device_id;
+  driver_version_ = driver_version;
+  pixel_shader_version_ = pixel_shader_version;
+  vertex_shader_version_ = vertex_shader_version;
+}
+
 bool GPUInfo::CollectGraphicsInfo() {
   FilePath d3d_path(base::GetNativeLibraryName(L"d3d9"));
   base::ScopedNativeLibrary d3dlib(d3d_path);