GL_EXT_multisampled_render_to_texture extension. Part 1.

Adding new parameters for extension without adding any real code change. Since no new code paths were added, we expect all tests to pass as before.

Bug: angleproject:980428
Change-Id: I551b46a66f422eabd357fd021e00cf266a991efb
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1772377
Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/renderer/gl/FramebufferGL.cpp b/src/libANGLE/renderer/gl/FramebufferGL.cpp
index 058356d..9fbe4ab 100644
--- a/src/libANGLE/renderer/gl/FramebufferGL.cpp
+++ b/src/libANGLE/renderer/gl/FramebufferGL.cpp
@@ -556,8 +556,8 @@
                                   GLbitfield mask,
                                   GLenum filter)
 {
-    const FunctionsGL *functions = GetFunctionsGL(context);
-    StateManagerGL *stateManager = GetStateManagerGL(context);
+    const FunctionsGL *functions      = GetFunctionsGL(context);
+    StateManagerGL *stateManager      = GetStateManagerGL(context);
     const angle::FeaturesGL &features = GetFeaturesGL(context);
 
     const Framebuffer *sourceFramebuffer = context->getState().getReadFramebuffer();