Make templated GrProgramTResource subclass of GrProgramResource

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/563963004
diff --git a/src/gpu/GrEffect.cpp b/src/gpu/GrEffect.cpp
index b8d945e..50a1980 100644
--- a/src/gpu/GrEffect.cpp
+++ b/src/gpu/GrEffect.cpp
@@ -72,7 +72,7 @@
 
 void GrEffect::addTextureAccess(const GrTextureAccess* access) {
     fTextureAccesses.push_back(access);
-    this->addProgramResource(access->getTextureProgramResource());
+    this->addProgramResource(access->getProgramTexture());
 }
 
 void* GrEffect::operator new(size_t size) {