Move GLSurface creation from //ui/gl to //ui/gl/init.

ui/gl/gl_surface_wgl.h

Index: ui/gl/gl_surface_wgl.h
diff --git a/ui/gl/gl_surface_wgl.h b/ui/gl/gl_surface_wgl.h
index f745dda6165ca4e100c43893fe0d7111b2bbfe0d..c68f1a7371bf1bd42696335ed3915ce4dcf8c236 100644
--- a/ui/gl/gl_surface_wgl.h
+++ b/ui/gl/gl_surface_wgl.h
@@ -32,7 +32,7 @@ class GL_EXPORT GLSurfaceWGL : public GLSurface {
 };
 
 // A surface used to render to a view.
-class NativeViewGLSurfaceWGL : public GLSurfaceWGL {
+class GL_EXPORT NativeViewGLSurfaceWGL : public GLSurfaceWGL {
  public:
   explicit NativeViewGLSurfaceWGL(gfx::AcceleratedWidget window);
 
@@ -62,7 +62,7 @@ class NativeViewGLSurfaceWGL : public GLSurfaceWGL {
 
 
 // A surface used to render to an offscreen pbuffer.
-class PbufferGLSurfaceWGL : public GLSurfaceWGL {
+class GL_EXPORT PbufferGLSurfaceWGL : public GLSurfaceWGL {
  public:
   explicit PbufferGLSurfaceWGL(const gfx::Size& size);