Remove non-Android handling in LargeIconSource

chrome/browser/ui/BUILD.gn

Index: chrome/browser/ui/BUILD.gn
diff --git a/chrome/browser/ui/BUILD.gn b/chrome/browser/ui/BUILD.gn
index 7e322e7b34406c0ab668ff0f15ea99610b29bd3e..291b8a29e9134a643d8a950f7e8652cfa51e4b7c 100644
--- a/chrome/browser/ui/BUILD.gn
+++ b/chrome/browser/ui/BUILD.gn
@@ -364,8 +364,6 @@ split_static_library("ui") {
     "webui/invalidations_message_handler.h",
     "webui/invalidations_ui.cc",
     "webui/invalidations_ui.h",
-    "webui/large_icon_source.cc",
-    "webui/large_icon_source.h",
     "webui/local_state/local_state_ui.cc",
     "webui/local_state/local_state_ui.h",
     "webui/log_web_ui_url.cc",
@@ -654,7 +652,12 @@ split_static_library("ui") {
     ]
   }
 
-  if (!is_android) {
+  if (is_android) {
+    sources += [
+      "webui/large_icon_source.cc",
+      "webui/large_icon_source.h",
+    ]
+  } else {
     sources += [
       "apps/app_info_dialog.h",
       "apps/chrome_app_delegate.cc",