Android fonts fingerprinting mitigation: added flag to webview (#1926)

License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html

---

 .../common/ProductionSupportedFlagList.java   |    3 +

 .../component_updater/registration.cc         |    9 +

 .../java/res/xml/developer_preferences.xml    |    5 +

 chrome/browser/BUILD.gn                       |    7 +

 .../skia/src/ports/SkFontMgr_android_data.cpp | 1640 +++++++++++++++++

 .../src/ports/SkFontMgr_android_parser.cpp    |   49 +-

 .../skia/src/ports/SkFontMgr_android_parser.h |    5 +-

 35 files changed, 2407 insertions(+), 79 deletions(-)

 36 files changed, 2410 insertions(+), 79 deletions(-)

 create mode 100644 chrome/browser/ui/android/strings/cromite_android_chrome_strings_grd/Android-fonts-fingerprinting-mitigation.grdp

 create mode 100644 components/component_updater/installer_policies/fonts_pack_component_installer.cc

 create mode 100644 components/component_updater/installer_policies/fonts_pack_component_installer.h

 create mode 100644 cromite_flags/third_party/blink/common/features_h/Android-fonts-fingerprinting-mitigation.inc

 create mode 100644 third_party/skia/src/ports/SkFontMgr_android_data.cpp

diff --git a/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java b/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java

--- a/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java

+++ b/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java

@@ -1056,6 +1056,9 @@ public final class ProductionSupportedFlagList {

                 "Hides user preference on the system keyboard by setting the standard "

                  + "eng layout and removing the layout information from the "

                  + "javascript keyboard events."),

+        Flag.baseFeature(

+                "AndroidFontsFingerprintingMitigation",

+                "Android fonts fingerprinting mitigation: replaces all system fonts with the same for all devices.."),

         // Add new commandline switches and features above. The final entry should have a

         // trailing comma for cleaner diffs.

     };

diff --git a/android_webview/nonembedded/component_updater/registration.cc b/android_webview/nonembedded/component_updater/registration.cc

--- a/android_webview/nonembedded/component_updater/registration.cc

+++ b/android_webview/nonembedded/component_updater/registration.cc