Add stencil buffer create tracking to GPU stats.

src/gpu/gl/GrGLGpu.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLGpu.h"
 #include "GrGLStencilBuffer.h"
@@ skipping 1149 matching lines @@
                                                 samples,
                                                 sFmt.fInternalFormat,
                                                 width, height);
         } else {
             GL_ALLOC_CALL(this->glInterface(), RenderbufferStorage(GR_GL_RENDERBUFFER,
                                                                    sFmt.fInternalFormat,
                                                                    width, height));
             created = (GR_GL_NO_ERROR == check_alloc_error(rt->desc(), this->glInterface()));
         }
         if (created) {
-
+            fStats.incStencilBufferCreates();
             // After sized formats we attempt an unsized format and take
             // whatever sizes GL gives us. In that case we query for the size.
             GrGLStencilBuffer::Format format = sFmt;
             get_stencil_rb_sizes(this->glInterface(), &format);
             SkAutoTUnref<GrStencilBuffer> sb(SkNEW_ARGS(GrGLStencilBuffer,
                                                   (this, sbDesc, width, height, samples, format)));
             if (this->attachStencilBufferToRenderTarget(sb, rt)) {
                 fLastSuccessfulStencilFmtIdx = sIdx;
                 rt->renderTargetPriv().didAttachStencilBuffer(sb);
                 return true;
@@ skipping 1578 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }