Move --user-agent overriding logic from chrome into content.

content/shell/shell_content_client.cc

Index: content/shell/shell_content_client.cc
diff --git a/content/shell/shell_content_client.cc b/content/shell/shell_content_client.cc
index 1e6b5ddc8aea6ad01a78df274fd3217b075e0615..73de2f9b997306edc1b20041d8d83a4277be6bf4 100644
--- a/content/shell/shell_content_client.cc
+++ b/content/shell/shell_content_client.cc
@@ -6,7 +6,6 @@
 
 #include "base/string_piece.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "webkit/glue/user_agent.h"
 
 namespace content {
 
@@ -36,14 +35,6 @@ bool ShellContentClient::CanHandleWhileSwappedOut(const IPC::Message& msg) {
   return false;
 }
 
-std::string ShellContentClient::GetUserAgent(bool* overriding) const {
-  *overriding = false;
-  // The "19" is so that sites that sniff for version think that this is
-  // something reasonably current; the "77.34.5" is a hint that this isn't a
-  // standard Chrome.
-  return webkit_glue::BuildUserAgentFromProduct("Chrome/19.77.34.5");
-}
-
 string16 ShellContentClient::GetLocalizedString(int message_id) const {
   return string16();
 }