skia/trunk changes for generic sanitizer gyp flag.

BUG=
R=borenet@google.com

Review URL: https://codereview.chromium.org/25564003

git-svn-id: http://skia.googlecode.com/svn/trunk@11648 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index 3f7b154..9aeee62 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -78,8 +78,7 @@
         }],
       ],
 
-      'skia_asan_build%': 0,
-      'skia_tsan_build%': 0,
+      'skia_sanitizer%': '',
       'skia_scalar%': 'float',
       'skia_mesa%': 0,
       'skia_nv_path_rendering%': 0,
@@ -119,7 +118,7 @@
       }, {
         'skia_release_optimization_level%': '<(skia_default_gcc_optimization_level)',
       }],
-      [ 'skia_asan_build or skia_tsan_build', {
+      [ 'skia_sanitizer', {
         'skia_clang_build': 1,
       }, {
         'skia_clang_build%': 0,
@@ -133,8 +132,7 @@
     'arm_neon_optional%': 0,
     'skia_os%': '<(skia_os)',
     'os_posix%': '<(os_posix)',
-    'skia_asan_build%': '<(skia_asan_build)',
-    'skia_tsan_build%': '<(skia_tsan_build)',
+    'skia_sanitizer%': '<(skia_sanitizer)',
     'skia_scalar%': '<(skia_scalar)',
     'skia_mesa%': '<(skia_mesa)',
     'skia_nv_path_rendering%': '<(skia_nv_path_rendering)',