Cleanup: Go with SkDebugf instead of GrPrintf.

src/gpu/gl/GrGLUtil.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLUtil_DEFINED
 #define GrGLUtil_DEFINED
 
@@ skipping 112 matching lines @@
 // run-time flags.
 #if GR_GL_CHECK_ERROR
     extern bool gCheckErrorGL;
     #define GR_GL_CHECK_ERROR_IMPL(IFACE, X)                    \
         if (gCheckErrorGL)                                      \
             GrGLCheckErr(IFACE, GR_FILE_AND_LINE_STR, #X)
 #else
     #define GR_GL_CHECK_ERROR_IMPL(IFACE, X)
 #endif
 
-// internal macro to conditionally log the gl call using GrPrintf based on
+// internal macro to conditionally log the gl call using SkDebugf based on
 // compile-time and run-time flags.
 #if GR_GL_LOG_CALLS
     extern bool gLogCallsGL;
     #define GR_GL_LOG_CALLS_IMPL(X)                             \
         if (gLogCallsGL)                                        \
-            GrPrintf(GR_FILE_AND_LINE_STR "GL: " #X "\n")
+            SkDebugf(GR_FILE_AND_LINE_STR "GL: " #X "\n")
 #else
     #define GR_GL_LOG_CALLS_IMPL(X)
 #endif
 
 // internal macro that does the per-GL-call callback (if necessary)
 #if GR_GL_PER_GL_FUNC_CALLBACK
     #define GR_GL_CALLBACK_IMPL(IFACE) (IFACE)->fCallback(IFACE)
 #else
     #define GR_GL_CALLBACK_IMPL(IFACE)
 #endif
@@ skipping 29 matching lines @@
         GR_GL_LOG_CALLS_IMPL(X);                                \
     } while (false)
 
 // call glGetError without doing a redundant error check or logging.
 #define GR_GL_GET_ERROR(IFACE) (IFACE)->fFunctions.fGetError()
 
 GrGLenum GrToGLStencilFunc(GrStencilFunc basicFunc);
 
 
 #endif