Remove trace marker support from GrBufferedDrawTarget

src/gpu/GrTargetCommands.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTargetCommands.h"
 
 #include "GrBufferedDrawTarget.h"
@@ skipping 22 matching lines @@
             db->batch()->generateGeometry(&fBatchTarget);
             db->batch()->setNumberOfDraws(fBatchTarget.numberOfDraws());
         }
     }
 
     fBatchTarget.preFlush();
 
     CmdBuffer::Iter iter(fCmdBuffer);
 
     while (iter.next()) {
-        GrGpuTraceMarker newMarker("", -1);
-        SkString traceString;
-        if (iter->isTraced()) {
-            traceString = bufferedDrawTarget->getCmdString(iter->markerID());
-            newMarker.fMarker = traceString.c_str();
-            gpu->addGpuTraceMarker(&newMarker);
-        }
-
         iter->execute(gpu);
-        if (iter->isTraced()) {
-            gpu->removeGpuTraceMarker(&newMarker);
-        }
     }
 
     fBatchTarget.postFlush();
 }
 
 void GrTargetCommands::StencilPath::execute(GrGpu* gpu) {
     GrPathRendering::StencilPathArgs args(fUseHWAA, fRenderTarget.get(), &fViewMatrix, &fScissor,
                                           &fStencil);
     gpu->pathRendering()->stencilPath(args, this->path());
 }
@@ skipping 37 matching lines @@
     gpu->clearStencilClip(fRect, fInsideClip, this->renderTarget());
 }
 
 void GrTargetCommands::CopySurface::execute(GrGpu* gpu) {
     gpu->copySurface(this->dst(), this->src(), fSrcRect, fDstPoint);
 }
 
 void GrTargetCommands::XferBarrier::execute(GrGpu* gpu) {
     gpu->xferBarrier(fRenderTarget.get(), fBarrierType);
 }