Remove unused content::GetWebKitMajorVersion() and content::GetWebKitMinorVersion().

content/public/common/user_agent.h

Index: content/public/common/user_agent.h
diff --git a/content/public/common/user_agent.h b/content/public/common/user_agent.h
index 107440e91de40f798ee73c0cb1b3451fb32e37a6..8a095a81c92ea8d9e61e302ddf02d429a29d0b32 100644
--- a/content/public/common/user_agent.h
+++ b/content/public/common/user_agent.h
@@ -14,10 +14,6 @@ namespace content {
 // Returns the WebKit version, in the form "major.minor (branch@revision)".
 CONTENT_EXPORT std::string GetWebKitVersion();
 
-// The following 2 functions return the major and minor webkit versions.
-CONTENT_EXPORT int GetWebKitMajorVersion();
-CONTENT_EXPORT int GetWebKitMinorVersion();
-
 CONTENT_EXPORT std::string GetWebKitRevision();
 
 // Builds a User-agent compatible string that describes the OS and CPU type.