Split SkDevice into SkBaseDevice and SkBitmapDevice

https://codereview.chromium.org/22978012/



git-svn-id: http://skia.googlecode.com/svn/trunk@10995 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index ea749a5..6fd96f9 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -536,7 +536,7 @@
         SkAutoTUnref<SkCanvas> canvas;
 
         if (gRec.fBackend == kRaster_Backend) {
-            SkAutoTUnref<SkDevice> device(SkNEW_ARGS(SkDevice, (*bitmap)));
+            SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (*bitmap)));
             if (deferred) {
                 canvas.reset(SkDeferredCanvas::Create(device));
             } else {
@@ -547,7 +547,7 @@
         }
 #if SK_SUPPORT_GPU
         else {  // GPU
-            SkAutoTUnref<SkDevice> device(SkGpuDevice::Create(gpuTarget));
+            SkAutoTUnref<SkBaseDevice> device(SkGpuDevice::Create(gpuTarget));
             if (deferred) {
                 canvas.reset(SkDeferredCanvas::Create(device));
             } else {