Move code in ui/gl/* from gfx:: to gl::

gpu/ipc/service/image_transport_surface_mac.mm

Index: gpu/ipc/service/image_transport_surface_mac.mm
diff --git a/gpu/ipc/service/image_transport_surface_mac.mm b/gpu/ipc/service/image_transport_surface_mac.mm
index 0fc6589f818db7b1bc44b67d98e4af853ca45c94..8e12bff3d9137e6434425169407dac7d4b49fe02 100644
--- a/gpu/ipc/service/image_transport_surface_mac.mm
+++ b/gpu/ipc/service/image_transport_surface_mac.mm
@@ -12,7 +12,7 @@
 
 namespace gpu {
 
-scoped_refptr<gfx::GLSurface> ImageTransportSurfaceCreateNativeSurface(
+scoped_refptr<gl::GLSurface> ImageTransportSurfaceCreateNativeSurface(
     GpuChannelManager* manager,
     GpuCommandBufferStub* stub,
     SurfaceHandle handle);
@@ -21,11 +21,11 @@ namespace {
 
 // A subclass of GLSurfaceOSMesa that doesn't print an error message when
 // SwapBuffers() is called.
-class DRTSurfaceOSMesa : public gfx::GLSurfaceOSMesa {
+class DRTSurfaceOSMesa : public gl::GLSurfaceOSMesa {
  public:
   // Size doesn't matter, the surface is resized to the right size later.
   DRTSurfaceOSMesa()
-      : GLSurfaceOSMesa(gfx::GLSurface::SURFACE_OSMESA_RGBA, gfx::Size(1, 1)) {}
+      : GLSurfaceOSMesa(gl::GLSurface::SURFACE_OSMESA_RGBA, gfx::Size(1, 1)) {}
 
   // Implement a subset of GLSurface.
   gfx::SwapResult SwapBuffers() override;
@@ -44,21 +44,21 @@ bool g_allow_os_mesa = false;
 }  //  namespace
 
 // static
-scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface(
+scoped_refptr<gl::GLSurface> ImageTransportSurface::CreateNativeSurface(
     GpuChannelManager* manager,
     GpuCommandBufferStub* stub,
     SurfaceHandle surface_handle,
-    gfx::GLSurface::Format format) {
+    gl::GLSurface::Format format) {
   DCHECK_NE(surface_handle, kNullSurfaceHandle);
 
-  switch (gfx::GetGLImplementation()) {
-    case gfx::kGLImplementationDesktopGL:
-    case gfx::kGLImplementationDesktopGLCoreProfile:
-    case gfx::kGLImplementationAppleGL:
+  switch (gl::GetGLImplementation()) {
+    case gl::kGLImplementationDesktopGL:
+    case gl::kGLImplementationDesktopGLCoreProfile:
+    case gl::kGLImplementationAppleGL:
       return ImageTransportSurfaceCreateNativeSurface(manager, stub,
                                                       surface_handle);
-    case gfx::kGLImplementationMockGL:
-      return new gfx::GLSurfaceStub;
+    case gl::kGLImplementationMockGL:
+      return new gl::GLSurfaceStub;
     default:
       // Content shell in DRT mode spins up a gpu process which needs an
       // image transport surface, but that surface isn't used to read pixel
@@ -67,11 +67,11 @@ scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface(
         NOTREACHED();
         return nullptr;
       }
-      scoped_refptr<gfx::GLSurface> surface(new DRTSurfaceOSMesa());
+      scoped_refptr<gl::GLSurface> surface(new DRTSurfaceOSMesa());
       if (!surface.get() || !surface->Initialize(format))
         return surface;
-      return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface(
-          manager, stub, surface.get()));
+      return scoped_refptr<gl::GLSurface>(
+          new PassThroughImageTransportSurface(manager, stub, surface.get()));
   }
 }