Disable AutoImport: experiment and histogram for analysis.

chrome/common/chrome_features.h

Index: chrome/common/chrome_features.h
diff --git a/chrome/common/chrome_features.h b/chrome/common/chrome_features.h
index 8214ec0cf714df7815e9c92c793dec3d4bfe2b4d..b5a332dbe57cfbaebff85507158cf7186a3d67d3 100644
--- a/chrome/common/chrome_features.h
+++ b/chrome/common/chrome_features.h
@@ -35,6 +35,10 @@ extern const base::Feature kBlockSmallContent;
 
 extern const base::Feature kBrowserHangFixesExperiment;
 
+#if defined(OS_WIN)
+extern const base::Feature kDisableFirstRunAutoImport;
+#endif

[Ilya Sherman, 2016/08/23 21:05:33]

Again, no need to restrict this to just Windows -- indeed, since
chrome_browser_main.cc calls this on other platforms, I'd expect that code to
currently not compile on, e.g., Mac.

[gcomanici, 2016/08/26 19:02:17]

Acknowledged.

+
 extern const base::Feature kExpectCTReporting;
 
 extern const base::Feature kExperimentalKeyboardLockUI;