Linux: Remove some ChromeOS linker flag workarounds now that full ChromeOS builds set the flags exp…

build/common.gypi

Index: build/common.gypi
===================================================================
--- build/common.gypi	(revision 264750)
+++ build/common.gypi	(working copy)
@@ -749,9 +749,8 @@
         }],
 
         # linux_use_gold_flags: whether to use build flags that rely on gold.
-        # On by default for x64 Linux.  Temporarily off for ChromeOS as
-        # it failed on a buildbot.

[Lei Zhang, 2014/04/18 06:42:40]

The .ebuild controls this for full ChromeOS builds now.
For ChromeOS on Linux builds, this should just work like any other Linux build.

-        ['OS=="linux" and target_arch=="x64" and chromeos==0', {
+        # On by default for x64 Linux.
+        ['OS=="linux" and target_arch=="x64"', {
           'linux_use_gold_flags%': 1,
         }, {
           'linux_use_gold_flags%': 0,
@@ -3796,10 +3795,7 @@
           ['linux_dump_symbols==1', {
             'cflags': [ '-g' ],
             'conditions': [
-              # TODO(thestig) We should not need to specify chromeos==0 here,
-              # but somehow ChromeOS uses gold despite linux_use_bundled_gold==0.
-              # http://crbug.com./360082
-              ['linux_use_bundled_gold==0 and chromeos==0 and OS!="android"', {
+              ['linux_use_gold_flags==0 and OS!="android"', {
                 'target_conditions': [
                   ['_toolset=="target"', {
                     'ldflags': [