Clean up deprecated sources assignment filter in //chrome/renderer

Remove deprecated_default_sources_assignment_filter and replace
it with explicit is_win, is_mac, etc. sections.

Bug: 1018739
Change-Id: I924615894dbd75baf38ad389b160834d5868ac7a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2446209Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814158}

chrome/renderer/BUILD.gn

@@ -14,13 +14,6 @@ import("//ppapi/buildflags/buildflags.gni")
 import("//third_party/widevine/cdm/widevine.gni")
 import("//tools/grit/grit_rule.gni")
 
-# This file depends on the legacy global sources assignment filter. It should
-# be converted to check target platform before assigning source files to the
-# sources variable. Remove this import and set_sources_assignment_filter call
-# when the file has been converted. See https://crbug.com/1018739 for details.
-import("//build/config/deprecated_default_sources_assignment_filter.gni")
-set_sources_assignment_filter(deprecated_default_sources_assignment_filter)
-
 grit("resources") {
   source = "resources/renderer_resources.grd"
   defines = chrome_grit_defines
@@ -102,8 +95,6 @@ static_library("renderer") {
     "plugins/plugin_uma.h",
     "previews/resource_loading_hints_agent.cc",
     "previews/resource_loading_hints_agent.h",
-    "sandbox_status_extension_android.cc",
-    "sandbox_status_extension_android.h",
     "subresource_redirect/subresource_redirect_hints_agent.cc",
     "subresource_redirect/subresource_redirect_hints_agent.h",
     "subresource_redirect/subresource_redirect_params.cc",
@@ -401,6 +392,8 @@ static_library("renderer") {
       "net/available_offline_content_helper.h",
       "net/page_auto_fetcher_helper_android.cc",
       "net/page_auto_fetcher_helper_android.h",
+      "sandbox_status_extension_android.cc",
+      "sandbox_status_extension_android.h",
     ]
   }