Remove GrGLProcessor and create GrGLSLTextureSampler class.

src/gpu/effects/GrTextureDomain.h

Index: src/gpu/effects/GrTextureDomain.h
diff --git a/src/gpu/effects/GrTextureDomain.h b/src/gpu/effects/GrTextureDomain.h
index 0b93ac859fe643a3cb689e54e54d8b9d1b2dcb49..bbe988cf1b545f7bf393fddc197b6fb56d33c0f6 100644
--- a/src/gpu/effects/GrTextureDomain.h
+++ b/src/gpu/effects/GrTextureDomain.h
@@ -15,6 +15,7 @@
 class GrGLProgramBuilder;
 class GrGLShaderBuilder;
 class GrInvariantOutput;
+class GrGLSLTextureSampler;
 struct SkRect;
 
 /**
@@ -88,10 +89,10 @@ public:
     }
 
     /**
-     * A GrGLProcessor subclass that corresponds to a GrProcessor subclass that uses GrTextureDomain
-     * should include this helper. It generates the texture domain GLSL, produces the part of the
-     * effect key that reflects the texture domain code, and performs the uniform uploads necessary
-     * for texture domains.
+     * A GrGLFragmentProcessor subclass that corresponds to a GrProcessor subclass that uses
+     * GrTextureDomain should include this helper. It generates the texture domain GLSL, produces
+     * the part of the effect key that reflects the texture domain code, and performs the uniform
+     * uploads necessary for texture domains.
      */
     class GLDomain {
     public:
@@ -103,8 +104,8 @@ public:
         }
 
         /**
-         * Call this from GrGLProcessor::emitCode() to sample the texture W.R.T. the domain and
-         * mode.
+         * Call this from GrGLFragmentProcessor::emitCode() to sample the texture W.R.T. the domain
+         * and mode.
          *
          * @param outcolor  name of vec4 variable to hold the sampled color.
          * @param inCoords  name of vec2 variable containing the coords to be used with the domain.
@@ -116,12 +117,13 @@ public:
                            const GrTextureDomain& textureDomain,
                            const char* outColor,
                            const SkString& inCoords,
-                           const GrGLProcessor::TextureSampler sampler,
+                           const GrGLSLTextureSampler& sampler,
                            const char* inModulateColor = nullptr);
 
         /**
-         * Call this from GrGLProcessor::setData() to upload uniforms necessary for the texture
-         * domain. The rectangle is automatically adjusted to account for the texture's origin.
+         * Call this from GrGLFragmentProcessor::setData() to upload uniforms necessary for the
+         * texture domain. The rectangle is automatically adjusted to account for the texture's
+         * origin.
          */
         void setData(const GrGLSLProgramDataManager& pdman, const GrTextureDomain& textureDomain,
                      GrSurfaceOrigin textureOrigin);
@@ -131,8 +133,8 @@ public:
         };
 
         /**
-         * GrGLProcessor::GenKey() must call this and include the returned value in it's computed
-         * key. The returned will be limited to the lower kDomainKeyBits bits.
+         * GrGLFragmentProcessor::GenKey() must call this and include the returned value in it's
+         * computed key. The returned will be limited to the lower kDomainKeyBits bits.
          */
         static uint32_t DomainKey(const GrTextureDomain& domain) {
             GR_STATIC_ASSERT(kModeCount <= 4);