Export more symbols needed for the component build of content.

content/common/content_switches.h

Index: content/common/content_switches.h
diff --git a/content/common/content_switches.h b/content/common/content_switches.h
index eef89e0e3a930da249befc3921670eb6efe3de35..def932c7cccd6bc4e913e1f9cdd1d8b0d94c9cea 100644
--- a/content/common/content_switches.h
+++ b/content/common/content_switches.h
@@ -16,8 +16,8 @@ namespace switches {
 CONTENT_EXPORT extern const char kAllowFileAccessFromFiles[];
 CONTENT_EXPORT extern const char kAllowRunningInsecureContent[];
 extern const char kAllowSandboxDebugging[];
-extern const char kBrowserAssertTest[];
-extern const char kBrowserCrashTest[];
+CONTENT_EXPORT extern const char kBrowserAssertTest[];
+CONTENT_EXPORT extern const char kBrowserCrashTest[];
 extern const char kBrowserSubprocessPath[];
 // TODO(jam): this doesn't belong in content.
 CONTENT_EXPORT extern const char kChromeFrame[];
@@ -78,7 +78,6 @@ extern const char kEnablePreparsedJsCaching[];
 extern const char kEnableSSLCachedInfo[];
 extern const char kEnableSandboxLogging[];
 extern const char kEnableSeccompSandbox[];
-extern const char kEnableStatsTable[];
 CONTENT_EXPORT extern const char kEnableStatsTable[];
 CONTENT_EXPORT extern const char kEnableTcpFastOpen[];
 extern const char kEnableVideoFullscreen[];