Turn on better popup blocker by default.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 667c86892aa12dd0d3f9592e3a4001c1855aba04..66bc1b36ad0f376d0038a05006852ca8bdb38e0d 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -272,6 +272,9 @@ const char kDisableBackgroundMode[]         = "disable-background-mode";
 // measurements.
 const char kDisableBackgroundNetworking[]   = "disable-background-networking";
 
+// Disables more strict popup blocking.
+const char kDisableBetterPopupBlocking[]    = "disable-better-popup-blocking";
+
 // Disables the bundled PPAPI version of Flash.
 const char kDisableBundledPpapiFlash[]      = "disable-bundled-ppapi-flash";
 
@@ -508,9 +511,6 @@ const char kEnableAutologin[]               = "enable-autologin";
 // Enables the benchmarking extensions.
 const char kEnableBenchmarking[]            = "enable-benchmarking";
 
-// Enables (experimental) more strict popup blocking.
-const char kEnableBetterPopupBlocking[]     = "enable-better-popup-blocking";
-
 // Enables a sync promo that is displayed in the bookmark bubble.
 const char kEnableBookmarkSyncPromo[]       = "enable-bookmark-sync-promo";