Add direct getter for GrCaps to GrContext.

src/core/SkPictureShader.cpp

Index: src/core/SkPictureShader.cpp
diff --git a/src/core/SkPictureShader.cpp b/src/core/SkPictureShader.cpp
index 501d5153f524d136762bb6eaef172aa7cfeb663c..bbac9ed1146b32f0074caa86316c42eb5d1b83af 100644
--- a/src/core/SkPictureShader.cpp
+++ b/src/core/SkPictureShader.cpp
@@ -17,6 +17,7 @@
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
+#include "GrCaps.h"
 #endif
 
 namespace {
@@ -345,7 +346,7 @@ bool SkPictureShader::asFragmentProcessor(GrContext* context, const SkPaint& pai
                                           GrFragmentProcessor** fp) const {
     int maxTextureSize = 0;
     if (context) {
-        maxTextureSize = context->getMaxTextureSize();
+        maxTextureSize = context->caps()->maxTextureSize();
     }
     SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(viewM, localMatrix, maxTextureSize));
     if (!bitmapShader) {