Remove GrGpuTraceMarker hooks until we rethink the design

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index a934501a6c0127a1d8a226ea2d30607b64eac538..6dae8c70838a6ffc1488194a7792d239389f512f 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -33,7 +33,6 @@
 #include "GrSurfacePriv.h"
 #include "GrTextBlobCache.h"
 #include "GrTexturePriv.h"
-#include "GrTraceMarker.h"
 #include "GrTracing.h"
 #include "GrVertices.h"
 #include "SkDashPathPriv.h"
@@ -751,13 +750,3 @@ void GrContext::setResourceCacheLimits(int maxTextures, size_t maxTextureBytes)
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
-//////////////////////////////////////////////////////////////////////////////
-
-void GrContext::addGpuTraceMarker(const GrGpuTraceMarker* marker) {
-    fGpu->addGpuTraceMarker(marker);
-}
-
-void GrContext::removeGpuTraceMarker(const GrGpuTraceMarker* marker) {
-    fGpu->removeGpuTraceMarker(marker);
-}
-