patch from chinmaygarde@ to make progress on mac, ios.

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 6eac22e4d04c628dcfcc8e36cd66c73faeda7420..7e67095bb5e9f65a8147622ec55f38105ee12c6b 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -11,6 +11,11 @@ if (is_android) {
 
 config("base_implementation") {
   defines = [ "BASE_IMPLEMENTATION" ]
+
+  if (is_ios) {
+    # base uses routines deprecated in iOS 8
+    cflags = [ "-Wno-deprecated-declarations" ]
+  }
 }
 
 if (is_win) {
@@ -810,6 +815,10 @@ component("base") {
         "files/file_path_watcher_fsevents.cc",
         "files/file_path_watcher_fsevents.h",
       ]
+
+      set_sources_assignment_filter([])
+      sources += [ "files/file_path_watcher_mac.cc" ]

[brettw, 2015/08/04 18:07:28]

This also appears in https://codereview.chromium.org/1257303005/
FIGHT!

[Dirk Pranke, 2015/08/04 18:27:15]

Yeah, I need to merge things.

+      set_sources_assignment_filter(sources_assignment_filter)
     }
   } else {
     # Non-Mac.
@@ -1319,7 +1328,6 @@ test("base_unittests") {
     "process/process_metrics_unittest_ios.cc",
     "process/process_unittest.cc",
     "process/process_util_unittest.cc",
-    "process/process_util_unittest_ios.cc",
     "profiler/stack_sampling_profiler_unittest.cc",
     "profiler/tracked_time_unittest.cc",
     "rand_util_unittest.cc",
@@ -1459,7 +1467,7 @@ test("base_unittests") {
       "mac/foundation_util_unittest.mm",
       "mac/objc_property_releaser_unittest.mm",
       "mac/scoped_nsobject_unittest.mm",
-      "sys_string_conversions_mac_unittest.mm",
+      "strings/sys_string_conversions_mac_unittest.mm",
     ]
     set_sources_assignment_filter(sources_assignment_filter)