Add support for reading non-rendertarget textures.

src/gpu/GrAtlas.cpp

Index: src/gpu/GrAtlas.cpp
diff --git a/src/gpu/GrAtlas.cpp b/src/gpu/GrAtlas.cpp
index acf0f28d80673ac3ceaf06adb71f38e13677bc02..dd362908d3fedc65a3459dc52bc0b88dcd250563 100644
--- a/src/gpu/GrAtlas.cpp
+++ b/src/gpu/GrAtlas.cpp
@@ -177,14 +177,7 @@ GrPlot* GrAtlasMgr::addToAtlas(GrAtlas* atlas,
     if (NULL == fTexture) {
         // TODO: Update this to use the cache rather than directly creating a texture.
         GrTextureDesc desc;
-#ifdef SK_DEVELOPER
-        // RenderTarget so we can read the pixels to dump them
-        // TODO: Fix to support RT
-        desc.fFlags = kDynamicUpdate_GrTextureFlagBit;//|kRenderTarget_GrTextureFlagBit;
-                                                      //|kNoStencil_GrTextureFlagBit;
-#else
         desc.fFlags = kDynamicUpdate_GrTextureFlagBit;
-#endif
         desc.fWidth = GR_ATLAS_TEXTURE_WIDTH;
         desc.fHeight = GR_ATLAS_TEXTURE_HEIGHT;
         desc.fConfig = fPixelConfig;