UI compositor support for EXT_occlusion_query.

ui/gfx/compositor/test_web_graphics_context_3d.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_GFX_COMPOSITOR_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 #define UI_GFX_COMPOSITOR_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 #pragma once
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 407 matching lines @@
   virtual WebKit::WebGLId createProgram();
   virtual WebKit::WebGLId createRenderbuffer();
   virtual WebKit::WebGLId createShader(WebKit::WGC3Denum value);
   virtual WebKit::WebGLId createTexture();
   virtual void deleteBuffer(WebKit::WebGLId) {}
   virtual void deleteFramebuffer(WebKit::WebGLId) {}
   virtual void deleteProgram(WebKit::WebGLId) {}
   virtual void deleteRenderbuffer(WebKit::WebGLId) {}
   virtual void deleteShader(WebKit::WebGLId) {}
   virtual void deleteTexture(WebKit::WebGLId) {}
+  virtual WebKit::WebGLId createQueryEXT();
+  virtual void deleteQueryEXT(WebKit::WebGLId) {};
+  virtual WebKit::WGC3Dboolean isQueryEXT(WebKit::WebGLId query);
+  virtual void beginQueryEXT(WebKit::WGC3Denum, WebKit::WebGLId) {}
+  virtual void endQueryEXT(WebKit::WGC3Denum) {}
+  virtual void getQueryivEXT(WebKit::WGC3Denum,
+                             WebKit::WGC3Denum,
+                             WebKit::WGC3Dint*) {}
+  virtual void getQueryObjectuivEXT(WebKit::WebGLId,
+                                    WebKit::WGC3Denum,
+                                    WebKit::WGC3Duint*) {}
 
  private:
   scoped_refptr<gfx::GLContext> gl_context_;
   scoped_refptr<gfx::GLSurface> gl_surface_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWebGraphicsContext3D);
 };
 
 }  // namespace ui
 
 #endif  // UI_GFX_COMPOSITOR_TEST_WEB_GRAPHICS_CONTEXT_3D_H_