GLImage::OnMemoryDump Stubs + Some Impls

ui/gl/gl_image_glx.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GL_GL_IMAGE_GLX_H_
 #define UI_GL_GL_IMAGE_GLX_H_
 
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/x/x11_types.h"
 #include "ui/gl/gl_export.h"
@@ skipping 18 matching lines @@
                        const Rect& rect) override;
   void WillUseTexImage() override {}
   void DidUseTexImage() override {}
   void WillModifyTexImage() override {}
   void DidModifyTexImage() override {}
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int z_order,
                             OverlayTransform transform,
                             const Rect& bounds_rect,
                             const RectF& crop_rect) override;
+  void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
+                    uint64_t process_tracing_id,
+                    const std::string& dump_name) override;
 
  protected:
   ~GLImageGLX() override;
 
  private:
   XID glx_pixmap_;
   const gfx::Size size_;
   unsigned internalformat_;
 
   DISALLOW_COPY_AND_ASSIGN(GLImageGLX);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMAGE_GLX_H_