Make RT & TEX base classes aware of NPOT/min-RT bloated size

Review URL: http://codereview.appspot.com/4849045/


git-svn-id: http://skia.googlecode.com/svn/trunk@2057 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrGpu.cpp b/gpu/src/GrGpu.cpp
index 4672cff..ad297f4 100644
--- a/gpu/src/GrGpu.cpp
+++ b/gpu/src/GrGpu.cpp
@@ -156,8 +156,8 @@
 
 bool GrGpu::attachStencilBufferToRenderTarget(GrRenderTarget* rt) {
     // TODO: use a cache of stencil buffers rather than create per-rt.
-    bool ret = this->createStencilBufferForRenderTarget(rt, rt->width(),
-                                                        rt->height());
+    bool ret = this->createStencilBufferForRenderTarget(rt, rt->allocatedWidth(),
+                                                        rt->allocatedHeight());
     if (ret) {
         // Right now we're clearing the stencil buffer here after it is
         // attached to an RT for the first time. When we start matching