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

TBR=reed@google.com
Verbal lgtm, does not change API.

Committed: https://skia.googlesource.com/skia/+/7403d87db8e43d4c2b5b25ac22a0ebc22bd09d69

Review URL: https://codereview.chromium.org/1265033002
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 2308151..342f79f 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -5,10 +5,12 @@
  * found in the LICENSE file.
  */
 
+#include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
-#include "SkBitmapDevice.h"
+#include "SkClipStack.h"
 #include "SkColorFilter.h"
+#include "SkDevice.h"
 #include "SkDraw.h"
 #include "SkDrawable.h"
 #include "SkDrawFilter.h"
@@ -18,7 +20,6 @@
 #include "SkMetaData.h"
 #include "SkNinePatchIter.h"
 #include "SkPaintPriv.h"
-#include "SkPathOps.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
 #include "SkRasterClip.h"
@@ -26,12 +27,12 @@
 #include "SkRRect.h"
 #include "SkSmallAllocator.h"
 #include "SkSurface_Base.h"
-#include "SkTemplates.h"
 #include "SkTextBlob.h"
 #include "SkTextFormatParams.h"
 #include "SkTLazy.h"
 #include "SkTraceEvent.h"
-#include "SkUtils.h"
+
+#include <new>
 
 #if SK_SUPPORT_GPU
 #include "GrRenderTarget.h"