Upstream JavaScript injection for iOS

ios/web/ios_web.gyp

Index: ios/web/ios_web.gyp
diff --git a/ios/web/ios_web.gyp b/ios/web/ios_web.gyp
index f00800a0f8018bc897b496a7f6fa823bd77ed8b0..45af24a3a0973f63a09f9daf6249ebcb197fdcac 100644
--- a/ios/web/ios_web.gyp
+++ b/ios/web/ios_web.gyp
@@ -37,11 +37,26 @@
         'public/string_util.h',
         'public/user_agent.h',
         'public/user_agent.mm',
+        'public/web_state/js/crw_js_base_manager.h',
+        'public/web_state/js/crw_js_injection_evaluator.h',
+        'public/web_state/js/crw_js_injection_manager.h',
+        'public/web_state/js/crw_js_injection_receiver.h',
+        'public/web_state/js/crw_js_message_manager.h',
         'public/web_state/web_state_observer.h',
         'public/web_thread.h',
         'string_util.cc',
+        'web_state/js/crw_js_base_manager.mm',
+        'web_state/js/crw_js_common_manager.h',
+        'web_state/js/crw_js_common_manager.mm',
+        'web_state/js/crw_js_injection_manager.mm',
+        'web_state/js/crw_js_injection_receiver.mm',
+        'web_state/js/crw_js_message_dynamic_manager.h',
+        'web_state/js/crw_js_message_dynamic_manager.mm',
+        'web_state/js/crw_js_message_manager.mm',
         'web_state/web_state_observer.cc',
         'web_thread.cc',
+        'web_view_util.h',
+        'web_view_util.mm',
       ],
     },
     {
@@ -77,6 +92,8 @@
         '../..',
       ],
       'sources': [
+        'public/test/crw_test_js_injection_receiver.h',
+        'public/test/crw_test_js_injection_receiver.mm',
         'public/test/test_browser_state.cc',
         'public/test/test_browser_state.h',
         'public/test/test_web_state.cc',