Add onMemoryDump to GrContext

src/gpu/gl/GrGLStencilAttachment.cpp

Index: src/gpu/gl/GrGLStencilAttachment.cpp
diff --git a/src/gpu/gl/GrGLStencilAttachment.cpp b/src/gpu/gl/GrGLStencilAttachment.cpp
index d72729dc10993240ef2ce2a04f844dc24bdc6e22..ffb1b00b7e5b6488f0d4c2f89f8803e155918b18 100644
--- a/src/gpu/gl/GrGLStencilAttachment.cpp
+++ b/src/gpu/gl/GrGLStencilAttachment.cpp
@@ -8,6 +8,7 @@
 
 #include "GrGLStencilAttachment.h"
 #include "GrGLGpu.h"
+#include "SkTraceMemoryDump.h"
 
 size_t GrGLStencilAttachment::onGpuMemorySize() const {
     uint64_t size = this->width();
@@ -33,3 +34,9 @@ void GrGLStencilAttachment::onAbandon() {
 
     INHERITED::onAbandon();
 }
+
+void GrGLStencilAttachment::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
+                                             const SkString& dumpName) const {
+    traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_renderbuffer",
+                                      SkString(this->renderbufferID()).c_str());
+}