Bug 1330240 - Limit -Wthread-safety to WebRTC due to lack of annotations. r=cpeterson,froydnj,jesup

MozReview-Commit-ID: HuoXFwZkdYo

--HG--
extra : rebase_source : 8f07a7a6de6d794b26b0f2b18eb95452d65c8f40

build/moz.configure/warnings.configure

@@ -78,9 +78,6 @@ check_and_add_gcc_warning('-Werror=non-literal-null-conversion',
 # catches string literals used in boolean expressions
 check_and_add_gcc_warning('-Wstring-conversion')
 
-# catches inconsistent use of mutexes
-check_and_add_gcc_warning('-Wthread-safety')
-
 # we inline 'new' and 'delete' in mozalloc
 check_and_add_gcc_warning('-Wno-inline-new-delete', cxx_compiler)
 

media/webrtc/trunk/webrtc/build/common.gypi

@@ -326,6 +326,9 @@
               '-Wimplicit-fallthrough',
               '-Wthread-safety',
             ],
+            'cflags_mozilla': [
+              '-Wthread-safety',
+            ],
           }],
         ],
       }],