Use a struct for client GL texture handles

src/gpu/gl/GrGLGpu.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLGpu_DEFINED
 #define GrGLGpu_DEFINED
 
@@ skipping 286 matching lines @@
     // the texture is already in GPU memory and that it's going to be updated
     // with new data.
     bool uploadCompressedTexData(const GrSurfaceDesc& desc,
                                  GrGLenum target,
                                  const void* data,
                                  bool isNewTexture = true,
                                  int left = 0, int top = 0,
                                  int width = -1, int height = -1);
 
     bool createRenderTargetObjects(const GrSurfaceDesc&, GrGpuResource::LifeCycle lifeCycle,
-                                   GrGLenum textureTarget, GrGLuint texID,
-                                   GrGLRenderTarget::IDDesc*);
+                                   const GrGLTextureInfo& texInfo, GrGLRenderTarget::IDDesc*);
 
     enum TempFBOTarget {
         kSrc_TempFBOTarget,
         kDst_TempFBOTarget
     };
 
     // Binds a surface as a FBO for a copy operation. If the surface already owns an FBO ID then
     // that ID is bound. If not the surface is temporarily bound to a FBO and that FBO is bound.
     // This must be paired with a call to unbindSurfaceFBOForCopy().
     void bindSurfaceFBOForCopy(GrSurface* surface, GrGLenum fboTarget, GrGLIRect* viewport,
@@ skipping 198 matching lines @@
 
     // Mapping of pixel configs to known supported stencil formats to be used
     // when adding a stencil buffer to a framebuffer.
     int fPixelConfigToStencilIndex[kGrPixelConfigCnt];
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif