Add hint to SkSurface::MakeRenderTarget that we will use mips

Additionally this changed triggered a cascade of plumbing GrMipMapped
down throughout Ganesh.

Bug: skia:
Change-Id: I4181f44d9046d66139bb491c7abf86703305aaeb
Reviewed-on: https://skia-review.googlesource.com/63000
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/gl/GrGLTextureRenderTarget.cpp b/src/gpu/gl/GrGLTextureRenderTarget.cpp
index c4a0456..3e7b89f 100644
--- a/src/gpu/gl/GrGLTextureRenderTarget.cpp
+++ b/src/gpu/gl/GrGLTextureRenderTarget.cpp
@@ -81,5 +81,5 @@
 size_t GrGLTextureRenderTarget::onGpuMemorySize() const {
     return GrSurface::ComputeSize(this->config(), this->width(), this->height(),
                                     this->numSamplesOwnedPerPixel(),
-                                    this->texturePriv().hasMipMaps());
+                                    this->texturePriv().mipMapped());
 }