Clean up a few includes, introduce iwyu.

src/ports/SkFontMgr_android_parser.cpp

 /*
  * Copyright 2011 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontMgr_android_parser.h"
 #include "SkStream.h"
 #include "SkTDArray.h"
 #include "SkTSearch.h"
-#include "SkTypeface.h"
+#include "SkTemplates.h"
 
+#include <dirent.h>
 #include <expat.h>
-#include <dirent.h>
 
 #include <stdlib.h>
+#include <string.h>
 
 #define LMP_SYSTEM_FONTS_FILE "/system/etc/fonts.xml"
 #define OLD_SYSTEM_FONTS_FILE "/system/etc/system_fonts.xml"
 #define FALLBACK_FONTS_FILE "/system/etc/fallback_fonts.xml"
 #define VENDOR_FONTS_FILE "/vendor/etc/fallback_fonts.xml"
 
 #define LOCALE_FALLBACK_FONTS_SYSTEM_DIR "/system/etc"
 #define LOCALE_FALLBACK_FONTS_VENDOR_DIR "/vendor/etc"
 #define LOCALE_FALLBACK_FONTS_PREFIX "fallback_fonts-"
 #define LOCALE_FALLBACK_FONTS_SUFFIX ".xml"
@@ skipping 759 matching lines @@
     const char* tag = fTag.c_str();
 
     // strip off the rightmost "-.*"
     const char* parentTagEnd = strrchr(tag, '-');
     if (parentTagEnd == NULL) {
         return SkLanguage();
     }
     size_t parentTagLen = parentTagEnd - tag;
     return SkLanguage(tag, parentTagLen);
 }