Add a GrGpuGL reference for GrGLProgram/GrGLUniformManager

Updates GrGLProgram and GrGLUniformManager to keep a GrGpuGL reference
instead of one for GrGLContextInfo. No change in functionality, this
is in preparation to support fixed function GL calls for vertexless
shaders.

R=bsalomon@google.com

Author: cdalton@nvidia.com

Review URL: https://chromiumcodereview.appspot.com/23636011

git-svn-id: http://skia.googlecode.com/svn/trunk@11111 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLProgram.h b/src/gpu/gl/GrGLProgram.h
index e39e9bf..283ac03 100644
--- a/src/gpu/gl/GrGLProgram.h
+++ b/src/gpu/gl/GrGLProgram.h
@@ -37,7 +37,7 @@
 public:
     SK_DECLARE_INST_COUNT(GrGLProgram)
 
-    static GrGLProgram* Create(const GrGLContext& gl,
+    static GrGLProgram* Create(GrGpuGL* gpu,
                                const GrGLProgramDesc& desc,
                                const GrEffectStage* colorStages[],
                                const GrEffectStage* coverageStages[]);
@@ -108,8 +108,7 @@
      * GrGpuGL object to bind the textures required by the GrGLEffects. The color and coverage
      * stages come from GrGLProgramDesc::Build().
      */
-    void setData(GrGpuGL*,
-                 GrDrawState::BlendOptFlags,
+    void setData(GrDrawState::BlendOptFlags,
                  const GrEffectStage* colorStages[],
                  const GrEffectStage* coverageStages[],
                  const GrDeviceCoordTexture* dstCopy, // can be NULL
@@ -146,7 +145,7 @@
         TextureUnitSArray   fTextureUnits; // texture unit used for each entry of fSamplerUnis
     };
 
-    GrGLProgram(const GrGLContext& gl,
+    GrGLProgram(GrGpuGL* gpu,
                 const GrGLProgramDesc& desc,
                 const GrEffectStage* colorStages[],
                 const GrEffectStage* coverageStages[]);
@@ -179,7 +178,7 @@
     const char* adjustInColor(const SkString& inColor) const;
 
     // Helper for setData().
-    void setEffectData(GrGpuGL* gpu, const GrEffectStage& stage, const EffectAndSamplers& effect);
+    void setEffectData(const GrEffectStage& stage, const EffectAndSamplers& effect);
 
     // Helper for setData(). Makes GL calls to specify the initial color when there is not
     // per-vertex colors.
@@ -209,7 +208,7 @@
     SkTArray<EffectAndSamplers> fCoverageEffects;
 
     GrGLProgramDesc             fDesc;
-    const GrGLContext&          fContext;
+    GrGpuGL*                    fGpu;
 
     GrGLUniformManager          fUniformManager;
     UniformHandles              fUniformHandles;