Add counting of some GL calls

src/gpu/gl/builders/GrGLShaderStringBuilder.cpp

Index: src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp b/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
index dff8c7e684a919c2c74cb86b09daa3ad2ad48a2a..5da779cc2dc3dd62d886090b3d71fa6be91e40b0 100644
--- a/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLShaderStringBuilder.cpp
@@ -17,10 +17,11 @@
 SK_CONF_DECLARE(bool, c_PrintShaders, "gpu.printShaders", false,
                 "Print the source code for all shaders generated.");
 
-GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx,
+GrGLuint GrGLCompileAndAttachShader(GrGpuGL* gpu,
                                     GrGLuint programId,
                                     GrGLenum type,
                                     const SkString& shaderSrc) {
+    const GrGLContext& glCtx = gpu->glContext();
     const GrGLInterface* gli = glCtx.interface();
 
      GrGLuint shaderId;
@@ -38,6 +39,9 @@ GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx,
      const GrGLchar* sourceStr = shaderSrc.c_str();
  #endif
      GR_GL_CALL(gli, ShaderSource(shaderId, 1, &sourceStr, &sourceLength));
+#if GR_GPU_STATS
+     gpu->fGPUStats.fCompileShaderCalls++;
+#endif
      GR_GL_CALL(gli, CompileShader(shaderId));
 
      // Calling GetShaderiv in Chromium is quite expensive. Assume success in release builds.