WIP - command line experiment

ui/gl/gl_switches.h

Index: ui/gl/gl_switches.h
diff --git a/ui/gl/gl_switches.h b/ui/gl/gl_switches.h
index 57590d7bd8776ceaf938a3ab0dfb8424663bf633..a9979360a2ee444dce92473699f264ed51d0d895 100644
--- a/ui/gl/gl_switches.h
+++ b/ui/gl/gl_switches.h
@@ -7,6 +7,7 @@
 
 // Defines all the command-line switches used by ui/gl.
 
+#include "base/basictypes.h"
 #include "ui/gl/gl_export.h"
 
 namespace gfx {
@@ -21,6 +22,14 @@ extern const char kGLImplementationMockName[];
 
 }  // namespace gfx
 
+#ifdef ENABLE_FAST_COMMAND_LINE_SWITCHES
+
+namespace {
+#include "ui/gl/gl_switches.cc"
+}
+
+#else
+
 namespace switches {
 
 GL_EXPORT extern const char kEnableD3D11[];
@@ -50,4 +59,5 @@ GL_EXPORT extern const int kGLSwitchesCopiedFromGpuProcessHostNumSwitches;
 
 }  // namespace switches
 
+#endif  // ENABLE_FAST_COMMAND_LINE_SWITCHES
 #endif  // UI_GL_GL_SWITCHES_H_