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/tests/DrawBitmapRectTest.cpp b/tests/DrawBitmapRectTest.cpp
index 119ad2f..ab667fd 100644
--- a/tests/DrawBitmapRectTest.cpp
+++ b/tests/DrawBitmapRectTest.cpp
@@ -19,11 +19,11 @@
 #include "SkLruImageCache.h"
 
 // A BitmapFactory that always fails when asked to return pixels.
-static bool FailureDecoder(const void* data, size_t length, SkImage::Info* info,
+static bool FailureDecoder(const void* data, size_t length, SkImageInfo* info,
                            const SkBitmapFactory::Target* target) {
     if (info) {
         info->fWidth = info->fHeight = 100;
-        info->fColorType = SkImage::kRGBA_8888_ColorType;
+        info->fColorType = kRGBA_8888_SkColorType;
         info->fAlphaType = kPremul_SkAlphaType;
     }
     // this will deliberately return false if they are asking us to decode