move SkImage::ColorType into SkColorType

objective -- move clients over to SkImage

tasks
- use SkImageInfo instead of SkBitmap::Config
- add support for colortables to SkImage
- add drawImage to SkCanvas
- return SkImage from readPixels

This CL works towards the first task

R=robertphillips@google.com

Review URL: https://codereview.chromium.org/54363008

git-svn-id: http://skia.googlecode.com/svn/trunk@12077 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/DeferredSurfaceCopyBench.cpp b/bench/DeferredSurfaceCopyBench.cpp
index f9f8c8e..91b34a9 100644
--- a/bench/DeferredSurfaceCopyBench.cpp
+++ b/bench/DeferredSurfaceCopyBench.cpp
@@ -34,10 +34,10 @@
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         // The canvas is not actually used for this test except to provide
         // configuration information: gpu, multisampling, size, etc?
-        SkImage::Info info;
+        SkImageInfo info;
         info.fWidth = kSurfaceWidth;
         info.fHeight = kSurfaceHeight;
-        info.fColorType = SkImage::kPMColor_ColorType;
+        info.fColorType = kPMColor_SkColorType;
         info.fAlphaType = kPremul_SkAlphaType;
         const SkRect fullCanvasRect = SkRect::MakeWH(
             SkIntToScalar(kSurfaceWidth), SkIntToScalar(kSurfaceHeight));