Migrating majority of gamepad from content/browser/ to device/

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index b4f79962139a8b02966ff37e468c473f678d9a87..a8f9e48b0337e9018b13a870c99aff45d0a62223 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -57,6 +57,7 @@ source_set("browser") {
     "//crypto",
     "//device/battery",
     "//device/bluetooth",
+    "//device/gamepad",
     "//device/power_save_blocker",
     "//device/vibration",
     "//gin",
@@ -156,10 +157,6 @@ source_set("browser") {
     sources -= [ "renderer_host/web_input_event_aurawin.cc" ]
   }
 
-  if (!is_win && !is_mac && !is_android && (!is_linux || !use_udev)) {
-    sources += [ "gamepad/gamepad_platform_data_fetcher.cc" ]
-  }
-
   if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
   }
@@ -247,10 +244,6 @@ source_set("browser") {
       "//device/udev_linux",
       "//media/capture",
     ]
-  } else {
-    if (is_linux) {
-      sources -= [ "gamepad/gamepad_platform_data_fetcher_linux.cc" ]
-    }
   }
 
   if (enable_plugins) {