More clang warning fixes.

src/gpu/gl/GrGpuGL.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 "GrGpuGL.h"
 #include "GrGLStencilBuffer.h"
 #include "GrGLPath.h"
 #include "GrGLShaderBuilder.h"
 #include "GrTemplates.h"
 #include "GrTypes.h"
 #include "SkStrokeRec.h"
 #include "SkTemplates.h"
 
-static const GrGLuint GR_MAX_GLUINT = ~0U;
-static const GrGLint  GR_INVAL_GLINT = ~0;
-
 #define GL_CALL(X) GR_GL_CALL(this->glInterface(), X)
 #define GL_CALL_RET(RET, X) GR_GL_CALL_RET(this->glInterface(), RET, X)
 
-
 #define SKIP_CACHE_CHECK    true
 
 #if GR_GL_CHECK_ALLOC_WITH_GET_ERROR
     #define CLEAR_ERROR_BEFORE_ALLOC(iface)   GrGLClearErr(iface)
     #define GL_ALLOC_CALL(iface, call)        GR_GL_CALL_NOERRCHECK(iface, call)
     #define CHECK_ALLOC_ERROR(iface)          GR_GL_GET_ERROR(iface)
 #else
     #define CLEAR_ERROR_BEFORE_ALLOC(iface)
     #define GL_ALLOC_CALL(iface, call)        GR_GL_CALL(iface, call)
     #define CHECK_ALLOC_ERROR(iface)          GR_GL_NO_ERROR
@@ skipping 2640 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }