Move NaCl related switches to their own file.

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 80c695f693819941e92bc73fde4963b1407cd24b..122456215d977a2d7823e3af9c7c9867c235ec0a 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -170,15 +170,12 @@ extern const char kEnableManagedUsers[];
 extern const char kEnableMemoryInfo[];
 extern const char kEnableMemoryInternalsUI[];
 extern const char kEnableMetricsReportingForTesting[];
-extern const char kEnableNaCl[];
-extern const char kEnableNaClDebug[];
 extern const char kEnableNetBenchmarking[];
 extern const char kEnableNpn[];
 extern const char kEnableNpnHttpOnly[];
 extern const char kEnableOmniboxAutoCompletionForIme[];
 extern const char kEnablePanels[];
 extern const char kEnablePasswordGeneration[];
-extern const char kEnablePnacl[];
 extern const char kEnableProfiling[];
 extern const char kEnableQuic[];
 extern const char kEnableResetProfileSettings[];
@@ -246,12 +243,6 @@ extern const char kMemoryProfiling[];
 extern const char kMessageLoopHistogrammer[];
 extern const char kMetricsRecordingOnly[];
 extern const char kMultiProfiles[];
-extern const char kNaClBrokerProcess[];
-extern const char kNaClDebugMask[];
-extern const char kNaClGdb[];
-extern const char kNaClGdbScript[];
-extern const char kNaClLoaderCmdPrefix[];
-extern const char kNaClLoaderProcess[];
 extern const char kNativeMessagingHosts[];
 extern const char kNetLogLevel[];
 extern const char kNewProfileManagement[];
@@ -285,7 +276,6 @@ extern const char kPackExtensionKey[];
 extern const char kParentProfile[];
 extern const char kPerformanceMonitorGathering[];
 extern const char kPlaybackMode[];
-extern const char kPnaclDir[];
 extern const char kPpapiFlashInProcess[];
 extern const char kPpapiFlashPath[];
 extern const char kPpapiFlashVersion[];
@@ -366,7 +356,6 @@ extern const char kSyncEnableDeferredStartup[];
 extern const char kSyncfsEnableDirectoryOperation[];
 extern const char kTabBrowserDragging[];
 extern const char kTabCapture[];
-extern const char kTestNaClSandbox[];
 extern const char kTestName[];
 extern const char kTestType[];
 extern const char kTestingChannelID[];