Do not run BMPImageDecoderTest.DecodingSlow under TSan v2

TBR=jamesr@chromium.org

Review URL: https://codereview.chromium.org/23694017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221687 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/bmp_image_decoder_unittest.cc

@@ -25,6 +25,12 @@ TEST_F(BMPImageDecoderTest, DecodingFast) {
   TestDecoding(TEST_SMALLER, kThresholdSize);
 }
 
+#if defined(THREAD_SANITIZER)
+// BMPImageDecoderTest.DecodingSlow als times out under ThreadSanitizer v2.
+#define MAYBE_DecodingSlow DISABLED_DecodingSlow
+#else
+#define MAYBE_DecodingSlow DecodingSlow
+#endif
 TEST_F(BMPImageDecoderTest, DecodingSlow) {
   TestDecoding(TEST_BIGGER, kThresholdSize);
 }