Make the popup blocker on by default. Flip the flag to be a disabling one.

chrome/common/chrome_switches.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 161 matching lines @@
 
 // Disable several subsystems which run network requests in the background.
 // This is for use when doing network performance testing to avoid noise
 // in the measurements.
 const char kDisableBackgroundNetworking[] = "disable-background-networking";
 
 // Disable limits on the number of backing stores. Can prevent blinking for
 // users with many windows/tabs and lots of memory.
 const char kDisableBackingStoreLimit[]      = "disable-backing-store-limit";
 
+// Disables blocked content warning animation. Currently shows animation for
+// blocked pop-ups only.
+const char kDisableBlockContentAnimation[]  =
+    "disable-blocked-content-animation";
+
 // Disables establishing a backup TCP connection if a specified timeout is
 // exceeded.
 const char kDisableConnectBackupJobs[]      = "disable-connect-backup-jobs";
 
 // Disable requests that webkit labels TargetIsPrefetch.  As of
 // writing only <link rel=prefetch...> but also eventually
 // Link: headers.
 const char kDisableContentPrefetch[]        = "disable-content-prefetch";
 
 // Disables the custom JumpList on Windows 7.
@@ skipping 216 matching lines @@
 const char kEnableAeroPeekTabs[]            = "enable-aero-peek-tabs";
 
 // Enable the inclusion of non-standard ports when generating the Kerberos SPN
 // in response to a Negotiate challenge. See HttpAuthHandlerNegotiate::CreateSPN
 // for more background.
 const char kEnableAuthNegotiatePort[]       = "enable-auth-negotiate-port";
 
 // Enables the benchmarking extensions.
 const char kEnableBenchmarking[]            = "enable-benchmarking";
 
-// Enables blocked content warning animation. Currently shows animation for
-// blocked pop-ups only.
-const char kEnableBlockContentAnimation[] = "enable-blocked-content-animation";
-
 // In the browser process this switch is used to enable or disable the
 // client-side phishing detection.  In the renderer this switch is only enabled
 // if this switch is enabled in the browser and the user has opted in to UMA
 // stats and SafeBrowsing is enabled in the preferences.
 const char kEnableClientSidePhishingDetection[] =
     "enable-client-side-phishing-detection";
 
 // This flag enables UI for clearing server data.  Temporarily in place
 // until there's a server endpoint deployed.
 const char kEnableClearServerData[]         = "enable-clear-server-data";
@@ skipping 935 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches