During image destroy, delete textures only if we have a GL context.

ui/gl/gl_image_io_surface.h

Index: ui/gl/gl_image_io_surface.h
diff --git a/ui/gl/gl_image_io_surface.h b/ui/gl/gl_image_io_surface.h
index fbc09bc765b6c711e957e3f38503f22536614c7e..dd7fe52210df3e80f1bdf77bb5aaf939e93e4e1d 100644
--- a/ui/gl/gl_image_io_surface.h
+++ b/ui/gl/gl_image_io_surface.h
@@ -20,7 +20,7 @@ class GL_EXPORT GLImageIOSurface : public GLImage {
   bool Initialize(const gfx::GpuMemoryBufferHandle& handle);
 
   // Overridden from GLImage:
-  virtual void Destroy() OVERRIDE {}
+  virtual void Destroy(bool have_context) OVERRIDE {}
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE {}