Factoring BuildUserAgent out to a separate lib for GCF can use it.

webkit/glue/webkit_glue.cc

Index: webkit/glue/webkit_glue.cc
===================================================================
--- webkit/glue/webkit_glue.cc	(revision 57534)
+++ webkit/glue/webkit_glue.cc	(working copy)
@@ -41,6 +41,7 @@
 #include "third_party/WebKit/WebKit/chromium/public/win/WebInputEventFactory.h"
 #endif
 #include "webkit/glue/glue_serialize.h"
+#include "webkit/glue/user_agent.h"
 #include "v8/include/v8.h"
 
 #include "webkit_version.h"  // Generated
@@ -336,101 +337,6 @@
 
 Singleton<UserAgentState> g_user_agent;
 
-std::string BuildOSCpuInfo() {
-  std::string os_cpu;
-
-#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
-  int32 os_major_version = 0;
-  int32 os_minor_version = 0;
-  int32 os_bugfix_version = 0;
-  base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
-                                               &os_minor_version,
-                                               &os_bugfix_version);
-#endif
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
-  // Should work on any Posix system.
-  struct utsname unixinfo;
-  uname(&unixinfo);
-
-  std::string cputype;
-  // special case for biarch systems
-  if (strcmp(unixinfo.machine, "x86_64") == 0 &&
-      sizeof(void*) == sizeof(int32)) {
-    cputype.assign("i686 (x86_64)");
-  } else {
-    cputype.assign(unixinfo.machine);
-  }
-#endif
-
-  StringAppendF(
-      &os_cpu,
-#if defined(OS_WIN)
-      "Windows NT %d.%d",
-      os_major_version,
-      os_minor_version
-#elif defined(OS_MACOSX)
-      "Intel Mac OS X %d_%d_%d",
-      os_major_version,
-      os_minor_version,
-      os_bugfix_version
-#elif defined(OS_CHROMEOS)
-      "CrOS %s %d.%d.%d",
-      cputype.c_str(),  // e.g. i686
-      os_major_version,
-      os_minor_version,
-      os_bugfix_version
-#else
-      "%s %s",
-      unixinfo.sysname, // e.g. Linux
-      cputype.c_str()   // e.g. i686
-#endif
-  );
-
-  return os_cpu;
-}
-
-// Construct the User-Agent header, filling in |result|.
-// The other parameters are workarounds for broken websites:
-// - If mimic_windows is true, produce a fake Windows Chrome string.
-void BuildUserAgent(bool mimic_windows, std::string* result) {
-  const char kUserAgentPlatform[] =
-#if defined(OS_WIN)
-      "Windows";
-#elif defined(OS_MACOSX)
-      "Macintosh";
-#elif defined(USE_X11)
-      "X11";              // strange, but that's what Firefox uses
-#else
-      "?";
-#endif
-
-  const char kUserAgentSecurity = 'U'; // "US" strength encryption
-
-  // TODO(port): figure out correct locale
-  const char kUserAgentLocale[] = "en-US";
-
-  // Get the product name and version, and replace Safari's Version/X string
-  // with it.  This is done to expose our product name in a manner that is
-  // maximally compatible with Safari, we hope!!
-  std::string product = GetProductVersion();
-
-  // Derived from Safari's UA string.
-  StringAppendF(
-      result,
-      "Mozilla/5.0 (%s; %c; %s; %s) AppleWebKit/%d.%d"
-      " (KHTML, like Gecko) %s Safari/%d.%d",
-      mimic_windows ? "Windows" : kUserAgentPlatform,
-      kUserAgentSecurity,
-      ((mimic_windows ? "Windows " : "") + BuildOSCpuInfo()).c_str(),
-      kUserAgentLocale,
-      WEBKIT_VERSION_MAJOR,
-      WEBKIT_VERSION_MINOR,
-      product.c_str(),
-      WEBKIT_VERSION_MAJOR,
-      WEBKIT_VERSION_MINOR
-      );
-}
-
 void SetUserAgentToDefault() {
   BuildUserAgent(false, &g_user_agent->user_agent);
 }