ui/gl: Move GLImage into gl namespace.

content/common/gpu/gpu_memory_buffer_factory_surface_texture.h

Index: content/common/gpu/gpu_memory_buffer_factory_surface_texture.h
diff --git a/content/common/gpu/gpu_memory_buffer_factory_surface_texture.h b/content/common/gpu/gpu_memory_buffer_factory_surface_texture.h
index 1696df3d3315207269064c77ae532174e4d814fd..b9eda55dcbdeb8227dd785c68e5c09597866b50d 100644
--- a/content/common/gpu/gpu_memory_buffer_factory_surface_texture.h
+++ b/content/common/gpu/gpu_memory_buffer_factory_surface_texture.h
@@ -17,10 +17,13 @@
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace gfx {
-class GLImage;
 class SurfaceTexture;
 }
 
+namespace gl {
+class GLImage;
+}
+
 namespace content {
 
 class CONTENT_EXPORT GpuMemoryBufferFactorySurfaceTexture
@@ -52,7 +55,7 @@ class CONTENT_EXPORT GpuMemoryBufferFactorySurfaceTexture
   gpu::ImageFactory* AsImageFactory() override;
 
   // Overridden from gpu::ImageFactory:
-  scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
+  scoped_refptr<gl::GLImage> CreateImageForGpuMemoryBuffer(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       gfx::BufferFormat format,