Disable GPU info collection on GPU process startup on Win/Mac.

ui/gl/gl_switches.cc

 // Copyright (c) 2012 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 "ui/gl/gl_switches.h"
 
 namespace gfx {
 
 const char kGLImplementationDesktopName[]     = "desktop";
 const char kGLImplementationOSMesaName[]      = "osmesa";
@@ skipping 34 matching lines @@
 const char kGpuNoContextLost[]              = "gpu-no-context-lost";
 
 // Add a delay in milliseconds to the gpu swap buffer completion signal.
 // Simulates a slow GPU.
 const char kGpuSwapDelay[]                  = "gpu-swap-delay";
 
 // Flag used for Linux tests: for desktop GL bindings, try to load this GL
 // library first, but fall back to regular library if loading fails.
 const char kTestGLLib[]                     = "test-gl-lib";
 
+// Flags used to pass GPU info from browser process to GPU process.
+const char kGpuVendorID[]                   = "gpu-vendor-id";
+const char kGpuDeviceID[]                   = "gpu-device-id";
+const char kGpuDriverVersion[]              = "gpu-driver-version";
+
 }  // namespace switches