Remove {linux|android}_use_tcmalloc and switch to use_allocator in Chromium.

If this change breaks some bots, please try restarting the 
bot before reverting it. http://crrev.com/264460 may not be 
effective yet until restarting.

See the bug and http://crrev.com/255129 for the details.

BUG=345554

Review URL: https://codereview.chromium.org/258433005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@268876 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ui/snapshot/snapshot.gyp b/ui/snapshot/snapshot.gyp
index e34b0c2..a6a997e0b 100644
--- a/ui/snapshot/snapshot.gyp
+++ b/ui/snapshot/snapshot.gyp
@@ -72,8 +72,7 @@
           ],
         }],
         # See http://crbug.com/162998#c4 for why this is needed.
-        # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-        ['OS=="linux" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))', {
+        ['OS=="linux" and use_allocator!="none"', {
           'dependencies': [
             '../../base/allocator/allocator.gyp:allocator',
           ],