Rename GrGpuGL -> GrGLGpu

Review URL: https://codereview.chromium.org/824753002
diff --git a/src/gpu/gl/builders/GrGLShaderBuilder.cpp b/src/gpu/gl/builders/GrGLShaderBuilder.cpp
index d8dabae..4887225 100644
--- a/src/gpu/gl/builders/GrGLShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLShaderBuilder.cpp
@@ -8,7 +8,7 @@
 #include "GrGLShaderBuilder.h"
 #include "GrGLProgramBuilder.h"
 #include "GrGLProgramBuilder.h"
-#include "../GrGpuGL.h"
+#include "../GrGLGpu.h"
 #include "../GrGLShaderVar.h"
 
 namespace {