GLImage::OnMemoryDump Stubs + Some Impls

ui/gl/gl_image_glx.cc

Index: ui/gl/gl_image_glx.cc
diff --git a/ui/gl/gl_image_glx.cc b/ui/gl/gl_image_glx.cc
index f22ba0ff62293435e5b528b45a6bc422e8cc915e..496cf449bb8984a4561f914999b2fb354fcec9c3 100644
--- a/ui/gl/gl_image_glx.cc
+++ b/ui/gl/gl_image_glx.cc
@@ -203,4 +203,10 @@ bool GLImageGLX::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
   return false;
 }
 
+void GLImageGLX::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
+                              uint64_t process_tracing_id,
+                              const std::string& dump_name) {
+  // TODO(ericrk): Implement GLImage OnMemoryDump. crbug.com/514914
+}
+
 }  // namespace gfx