Integers can now be passed as uniforms

src/gpu/glsl/GrGLSLProgramDataManager.h

Index: src/gpu/glsl/GrGLSLProgramDataManager.h
diff --git a/src/gpu/glsl/GrGLSLProgramDataManager.h b/src/gpu/glsl/GrGLSLProgramDataManager.h
index 5d502cfd7591dcf271a0c65062d26dfcfd4954c0..99db56bd4c32d81900820012f1973fb84b284cbd 100644
--- a/src/gpu/glsl/GrGLSLProgramDataManager.h
+++ b/src/gpu/glsl/GrGLSLProgramDataManager.h
@@ -8,6 +8,8 @@
 #ifndef GrGLSLProgramDataManager_DEFINED
 #define GrGLSLProgramDataManager_DEFINED
 
+#include <cstdint>
+
 #include "GrResourceHandle.h"
 #include "SkTypes.h"
 
@@ -26,6 +28,7 @@ public:
     /** Functions for uploading uniform values. The varities ending in v can be used to upload to an
      *  array of uniforms. arrayCount must be <= the array count of the uniform.
      */
+    virtual void set1i(UniformHandle, int32_t) const = 0;
     virtual void set1f(UniformHandle, float v0) const = 0;
     virtual void set1fv(UniformHandle, int arrayCount, const float v[]) const = 0;
     virtual void set2f(UniformHandle, float, float) const = 0;