IWYU: 'core' target, files starting A-C.

include/core/SkBitmapDevice.h

Index: include/core/SkBitmapDevice.h
diff --git a/include/core/SkBitmapDevice.h b/include/core/SkBitmapDevice.h
index ae637f92b0755fbeefa577a307a8a0271a8eaf54..d1cb9ad0f8665fd2152ad419621d33df483d2995 100644
--- a/include/core/SkBitmapDevice.h
+++ b/include/core/SkBitmapDevice.h
@@ -9,7 +9,28 @@
 #ifndef SkBitmapDevice_DEFINED
 #define SkBitmapDevice_DEFINED
 
+#include "SkBitmap.h"
+#include "SkCanvas.h"
+#include "SkColor.h"
 #include "SkDevice.h"
+#include "SkImageFilter.h"
+#include "SkImageInfo.h"
+#include "SkRect.h"
+#include "SkScalar.h"
+#include "SkSize.h"
+#include "SkSurfaceProps.h"
+#include "SkTypes.h"
+
+class SkDraw;
+class SkMatrix;
+class SkPaint;
+class SkPath;
+class SkPixelRef;
+class SkPixmap;
+class SkRRect;
+class SkSurface;
+class SkXfermode;
+struct SkPoint;
 
 ///////////////////////////////////////////////////////////////////////////////
 class SK_API SkBitmapDevice : public SkBaseDevice {