Instrument setup.exe in the SyzyAsan builds.

chrome/installer/setup/setup_constants.cc

Index: chrome/installer/setup/setup_constants.cc
diff --git a/chrome/installer/setup/setup_constants.cc b/chrome/installer/setup/setup_constants.cc
index ffb70c367a1bc88fd2abc3d46da75b53b862a4b3..da13cade6a0e616052ac880b4df9a17e5f298a8f 100644
--- a/chrome/installer/setup/setup_constants.cc
+++ b/chrome/installer/setup/setup_constants.cc
@@ -32,6 +32,14 @@ const char kDelay[] = "delay";
 const char kSetDisplayVersionProduct[] = "set-display-version-product";
 const char kSetDisplayVersionValue[] = "set-display-version-value";
 
+#if defined(SYZYASAN)
+// Switches to test the Asan integration.
+const char kInduceAsanCrash[] = "induce-asan-crash";
+const char kAsanUseAfterFree[] = "use-after-free";
+const char kAsanHeapOverflow[] = "heap-overflow";
+const char kAsanHeapUnderflow[] = "heap-underflow";
+#endif
+
 }  // namespace switches
 
 }  // namespace installer