[iOS] Remove dependencies on //ipc from //ui/events.

ui/events/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/ozone/ozone.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
@@ skipping 43 matching lines @@
     "keycodes/platform_key_map_win.h",
     "latency_info.cc",
     "latency_info.h",
   ]
 
   defines = [ "EVENTS_BASE_IMPLEMENTATION" ]
 
   deps = [
     ":dom_keycode_converter",
     "//base/third_party/dynamic_annotations",
-    "//ipc:param_traits",
     "//skia",
   ]
 
   public_deps = [
     "//base",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
@@ skipping 13 matching lines @@
   }
 
   if (use_x11 || ozone_platform_x11 || use_xkbcommon) {
     sources += [
       "keycodes/keyboard_code_conversion_xkb.cc",
       "keycodes/keyboard_code_conversion_xkb.h",
       "keycodes/scoped_xkb.h",
       "keycodes/xkb_keysym.h",
     ]
   }
+
+  if (!is_ios) {
+    deps += [ "//ipc:param_traits" ]
+  }
 }
 
 component("events") {
   sources = [
     "cocoa/cocoa_event_utils.h",
     "cocoa/cocoa_event_utils.mm",
     "cocoa/events_mac.mm",
     "event.cc",
     "event.h",
     "event_dispatcher.cc",
@@ skipping 243 matching lines @@
     "gesture_detection/bitset_32_unittest.cc",
     "gesture_detection/filtered_gesture_provider_unittest.cc",
     "gesture_detection/gesture_event_data_packet_unittest.cc",
     "gesture_detection/gesture_provider_unittest.cc",
     "gesture_detection/motion_event_buffer_unittest.cc",
     "gesture_detection/motion_event_generic_unittest.cc",
     "gesture_detection/snap_scroll_controller_unittest.cc",
     "gesture_detection/touch_disposition_gesture_filter_unittest.cc",
     "gesture_detection/velocity_tracker_unittest.cc",
     "gestures/fling_curve_unittest.cc",
-    "ipc/latency_info_param_traits_unittest.cc",
     "keycodes/dom/keycode_converter_unittest.cc",
     "keycodes/keyboard_code_conversion_unittest.cc",
     "keycodes/platform_key_map_win_unittest.cc",
     "latency_info_unittest.cc",
     "platform/platform_event_source_unittest.cc",
     "scoped_target_handler_unittest.cc",
     "win/event_utils_win_unittest.cc",
   ]
 
   deps = [
     ":dom_keycode_converter",
     ":events",
     ":events_base",
     ":gesture_detection",
     ":test_support",
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
-    "//ipc:test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/events/devices",
-    "//ui/events/ipc:events_ipc",
     "//ui/events/platform",
     "//ui/gfx:test_support",
   ]
 
   if (!is_ios) {
     sources += [
       "blink/input_handler_proxy_unittest.cc",
       "blink/input_scroll_elasticity_controller_unittest.cc",
       "gestures/blink/web_gesture_curve_impl_unittest.cc",
+      "ipc/latency_info_param_traits_unittest.cc",
     ]
     deps += [
       "//cc",
+      "//ipc:test_support",
       "//third_party/WebKit/public:blink_headers",
       "//ui/events/blink",
       "//ui/events/gestures/blink",
+      "//ui/events/ipc:events_ipc",
     ]
   }
 
   data_deps = [
     "//third_party/mesa:osmesa",
   ]
 
   include_dirs = [ "//testing/gmock/include" ]
 
   if (use_x11) {
@@ skipping 51 matching lines @@
   generate_jar_jni("motionevent_jni_headers") {
     jni_package = "ui"
     classes = [ "android/view/MotionEvent.class" ]
   }
 
   generate_jar_jni("keyevent_jni_headers") {
     jni_package = "ui"
     classes = [ "android/view/KeyEvent.class" ]
   }
 }