Revert of add gn_all, gyp_all targets to build files, remove GN's //:root

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index e905563cf05ce7938f1b2ee737e193682df254c9..06b9aff07268eba9e9663bd55f3aedacfcc49555 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -380,7 +380,9 @@
     }
 
     if (is_mac) {
-      datadeps += [ "//chrome" ]
+      datadeps = [
+        "//chrome",
+      ]
 
       # TODO(mark): We really want this for all non-static library targets, but
       # when we tried to pull it up to the common.gypi level, it broke other
@@ -877,6 +879,7 @@
       ]
       sources += [
         "../browser/media_galleries/fileapi/iphoto_data_provider_browsertest.cc",
+        "../browser/renderer_host/chrome_render_widget_host_view_mac_delegate_browsertest.cc",
         "../browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm",
         "../browser/spellchecker/spellcheck_message_filter_mac_browsertest.cc",
       ]
@@ -887,13 +890,11 @@
 
         # TODO(rouslan): This test depends on the custom dictionary UI,
         # which is disabled on Mac.
-        # TODO(GYP): This should be added somewhere first ...
-        # "../browser/ui/webui/options/edit_dictionary_browsertest.js",
+        "../browser/ui/webui/options/edit_dictionary_browsertest.js",
 
         # TODO(rouslan): This test depends on hunspell and we cannot run it
         # on Mac, which does use hunspell by default.
-        # TODO(GYP): This should be added somewhere first ...
-        # "../browser/ui/webui/options/language_options_dictionary_download_browsertest.js",
+        "../browser/ui/webui/options/language_options_dictionary_download_browsertest.js",
 
         # ProcessSingletonMac doesn"t do anything.
         "../browser/process_singleton_browsertest.cc",
@@ -1550,7 +1551,7 @@
       # on disk so it can pull from it.
       deps += [
         "//third_party/google_toolbox_for_mac",
-        # "//third_party/ocmock", # TODO(GYP)
+        "//third_party/ocmock",
       ]
 
       # TODO(mark): We really want this for all non-static library targets,