Clean up a few includes, introduce iwyu.

src/ports/SkFontMgr_custom.cpp

Index: src/ports/SkFontMgr_custom.cpp
diff --git a/src/ports/SkFontMgr_custom.cpp b/src/ports/SkFontMgr_custom.cpp
index cea0b4875e0328ca9563112a6fb8d4319f96199d..57357663d7b33cc46ab39bc4866288192d609654 100644
--- a/src/ports/SkFontMgr_custom.cpp
+++ b/src/ports/SkFontMgr_custom.cpp
@@ -5,21 +5,24 @@
  * found in the LICENSE file.
  */
 
-#include "SkFontHost_FreeType_common.h"
 #include "SkFontDescriptor.h"
+#include "SkFontHost_FreeType_common.h"
 #include "SkFontMgr.h"
 #include "SkFontMgr_custom.h"
-#include "SkDescriptor.h"
+#include "SkFontStyle.h"
 #include "SkOSFile.h"
-#include "SkPaint.h"
-#include "SkRTConf.h"
-#include "SkString.h"
+#include "SkRefCnt.h"
 #include "SkStream.h"
-#include "SkTSearch.h"
-#include "SkTypefaceCache.h"
+#include "SkString.h"
 #include "SkTArray.h"
+#include "SkTemplates.h"
+#include "SkTypeface.h"
+#include "SkTypefaceCache.h"
 
 #include <limits>
+#include <stddef.h>

[bungeman-skia, 2015/07/29 16:46:23]

And this one.

+
+class SkData;
 
 /** The base SkTypeface implementation for the custom font manager. */
 class SkTypeface_Custom : public SkTypeface_FreeType {