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/debugger/QT/SkImageWidget.cpp b/debugger/QT/SkImageWidget.cpp
index cac7e7d..9e26300 100644
--- a/debugger/QT/SkImageWidget.cpp
+++ b/debugger/QT/SkImageWidget.cpp
@@ -16,10 +16,10 @@
     , fDebugger(debugger) {
     this->setStyleSheet("QWidget {background-color: white; border: 1px solid #cccccc;}");
 
-    SkImage::Info info;
+    SkImageInfo info;
     info.fWidth = kImageWidgetWidth;
     info.fHeight = kImageWidgetHeight;
-    info.fColorType = SkImage::kPMColor_ColorType;
+    info.fColorType = kPMColor_SkColorType;
     info.fAlphaType = kPremul_SkAlphaType;
 
     fSurface = SkSurface::NewRasterDirect(info, fPixels, 4 * kImageWidgetWidth);