Implementation of dwrite font proxy and removal of dwrite font cache

content/content_common.gypi

Index: content/content_common.gypi
diff --git a/content/content_common.gypi b/content/content_common.gypi
index 347f02a9569eacbdf4de8ea07aa4025bd75697e1..fee6231ec90a1df11eee99ddb79807f528be8cbe 100644
--- a/content/content_common.gypi
+++ b/content/content_common.gypi
@@ -64,7 +64,6 @@
       'public/common/context_menu_params.h',
       'public/common/drop_data.cc',
       'public/common/drop_data.h',
-      'public/common/dwrite_font_platform_win.h',
       'public/common/favicon_url.cc',
       'public/common/favicon_url.h',
       'public/common/file_chooser_file_info.cc',
@@ -243,7 +242,13 @@
       'common/drag_event_source_info.h',
       'common/drag_messages.h',
       'common/drag_traits.h',
-      'common/dwrite_font_platform_win.cc',
+      'common/dwrite_font_proxy_init_win.cc',
+      'common/dwrite_font_proxy_init_win.h',
+      'common/dwrite_font_proxy_messages.h',
+      'common/dwrite_font_proxy_win.cc',
+      'common/dwrite_font_proxy_win.h',
+      'common/dwrite_localized_strings_win.cc',
+      'common/dwrite_localized_strings_win.h',
       'common/edit_command.h',
       'common/file_utilities_messages.h',
       'common/fileapi/file_system_messages.h',
@@ -259,7 +264,7 @@
       'common/font_list_ozone.cc',
       'common/font_list_pango.cc',
       'common/font_list_win.cc',
-      'common/font_warmup_win.cc',
+      'common/font_warmup_win.cc',
       'common/font_warmup_win.h',
       'common/frame_message_enums.h',
       'common/frame_messages.h',