Make chrome.exe built with ASan/Win work with sandbox enabled

content/renderer/renderer_main_platform_delegate_win.cc

Index: content/renderer/renderer_main_platform_delegate_win.cc
diff --git a/content/renderer/renderer_main_platform_delegate_win.cc b/content/renderer/renderer_main_platform_delegate_win.cc
index 694a5c796f3b671e5a45f26427c8295e7fe055c6..349e84fb55b492c65268ba03e357c3f5349f03f7 100644
--- a/content/renderer/renderer_main_platform_delegate_win.cc
+++ b/content/renderer/renderer_main_platform_delegate_win.cc
@@ -116,6 +116,13 @@ bool RendererMainPlatformDelegate::EnableSandbox() {
     ::GetUserDefaultLangID();
     ::GetUserDefaultLCID();
 
+#if defined(ADDRESS_SANITIZER)
+    // Bind and leak dbghelp.dll before the token is lowered, otherwise
+    // AddressSanitizer will crash when trying to symbolize a report.
+    if (!LoadLibraryA("dbghelp.dll"))
+      return false;
+#endif
+
     target_services->LowerToken();
     return true;
   }