First pass on adding a chrome/browser GN target.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index c5453b8aa825aab4b89ac47cd7decdf723df9324..6d80f7d5a554788035d90d01df42d12966db8cb2 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -700,8 +700,6 @@
       'browser/local_discovery/privet_http.h',
       'browser/local_discovery/privet_http_asynchronous_factory_mac.cc',
       'browser/local_discovery/privet_http_asynchronous_factory_mac.h',
-      'browser/local_discovery/privet_local_printer_lister.h',
-      'browser/local_discovery/privet_local_printer_lister.cc',
       'browser/local_discovery/privet_url_fetcher.cc',
       'browser/local_discovery/privet_url_fetcher.h',
       'browser/local_discovery/privetv3_crypto_provider.cc',
@@ -1671,15 +1669,6 @@
       'browser/webdata/web_data_service_win.cc',
       'browser/webdata/web_intents_table.cc',
       'browser/webdata/web_intents_table.h',
-
-      # These files are generated by GRIT.
-      '<(grit_out_dir)/grit/component_extension_resources_map.cc',
-      '<(grit_out_dir)/grit/theme_resources_map.cc',
-      '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/grit/ui_resources_map.cc',
-
-      # This file is generated by
-      # chrome/browser/metrics/variations/generate_resources_map.py
-      '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/metrics/variations/generated_resources_map.cc',
     ],
     'chrome_browser_mac_sources': [
       'browser/media_galleries/fileapi/iphoto_data_provider.cc',
@@ -2989,6 +2978,15 @@
           ],
           'sources': [
             '<@(chrome_browser_non_ios_sources)',
+
+            # These files are generated by GRIT.
+            '<(grit_out_dir)/grit/component_extension_resources_map.cc',
+            '<(grit_out_dir)/grit/theme_resources_map.cc',
+            '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/grit/ui_resources_map.cc',
+
+            # This file is generated by
+            # chrome/browser/metrics/variations/generate_resources_map.py
+            '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/metrics/variations/generated_resources_map.cc',
           ],
           'defines': [
             '<@(nacl_defines)',