Suppress the clang warning "-Wdeprecated-declarations" for CSSM API calls.

crypto/cssm_init.h

Index: crypto/cssm_init.h
diff --git a/crypto/cssm_init.h b/crypto/cssm_init.h
index 3eece1b9c3be12a788a2d2603614782b01d23703..a4da34aad2b6084f1fd6ca9718e1a07f32c6fa14 100644
--- a/crypto/cssm_init.h
+++ b/crypto/cssm_init.h
@@ -12,6 +12,11 @@
 
 namespace crypto {
 
+// CSSM functions are deprecated as of OSX 10.7, but have no replacement.
+// https://bugs.chromium.org/p/chromium/issues/detail?id=590914#c1
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
 // Initialize CSSM if it isn't already initialized.  This must be called before
 // any other CSSM functions.  This function is thread-safe, and CSSM will only
 // ever be initialized once.  CSSM will be properly shut down on program exit.
@@ -55,6 +60,8 @@ class ScopedCSSMData {
   DISALLOW_COPY_AND_ASSIGN(ScopedCSSMData);
 };
 
+#pragma clang diagnostic pop  // "-Wdeprecated-declarations"
+
 }  // namespace crypto
 
 #endif  // CRYPTO_CSSM_INIT_H_