Update gn_all, gyp_remaining for chromeos.

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 266 matching lines @@
     }
   }
 
   if (is_linux) {  # TODO(GYP): || is_android || is_bsd?
     deps += [
       "//breakpad:core-2-minidump",
       "//breakpad:minidump-2-core",
     ]
   }
 
+  if (is_chromeos) {
+    deps += [
+      "//chromeos:chromeos_unittests",
+      "//ui/chromeos:ui_chromeos_unittests",
+    ]
+  }
+
   if (is_chromeos || is_mac || is_win) {
     deps += [
       "//rlz:rlz_id",
       "//rlz:rlz_lib",
       "//rlz:rlz_unittests",
     ]
   }
 
   if (is_linux) {
     # The following are definitely linux-only.
@@ skipping 243 matching lines @@
       "//sandbox/win:sbox_validation_tests",
       "//testing/gtest:gtest_main",
       "//third_party/codesighs:msmap2tsv",
       "//third_party/pdfium/samples:pdfium_diff",
       "//ui/metro_viewer",
     ]
     deps -= [
       "//crypto:crypto_unittests",  # TODO(GYP)
       "//net:net_unittests",  # TODO(GYP)
     ]
-  } else {
-    if (!is_android) {
-      # TODO(GYP): Make this work on android also.
-      deps += [ "//breakpad:symupload" ]
-    }
+  } else if (!is_android) {
+    deps += [ "//breakpad:symupload" ]
   }
 }
 
 group("gn_only") {
   testonly = true
 
   deps = []
 
   if (!is_android && !is_ios) {
     deps += [ "//components/proximity_auth:proximity_auth_unittests" ]
@@ skipping 209 matching lines @@
 
       # Note:
       # (*) Fails but failures match GYP build at time of testing.
     ]
 
     if (enable_nacl) {
       deps += [ "//components/nacl:nacl_loader_unittests" ]  # PASSES 3/28/2015
     }
   }
 }