base: Get rid of 'using' declaration of StringAppendF.

Update the callers to append base:: in the calls to StringAppendF.

BUG=None
TEST=trybots

Review URL: http://codereview.chromium.org/4974001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66116 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 8 insertions, 8 deletions

diff --git a/chrome/service/cloud_print/cloud_print_url_fetcher.cc b/chrome/service/cloud_print/cloud_print_url_fetcher.cc
index 3c1e859..8996a0a 100644
--- a/chrome/service/cloud_print/cloud_print_url_fetcher.cc
+++ b/chrome/service/cloud_print/cloud_print_url_fetcher.cc
@@ -148,7 +148,7 @@ URLRequestContextGetter* CloudPrintURLFetcher::GetRequestContextGetter() {
       new ServiceURLRequestContextGetter();
   // Now set up the user agent for cloudprint.
   std::string user_agent = getter->user_agent();
-  StringAppendF(&user_agent, " %s", kCloudPrintUserAgent);
+  base::StringAppendF(&user_agent, " %s", kCloudPrintUserAgent);
   getter->set_user_agent(user_agent);
   return getter;
 }
diff --git a/chrome/service/net/service_url_request_context.cc b/chrome/service/net/service_url_request_context.cc
index 1df288d..c7268f5 100644
--- a/chrome/service/net/service_url_request_context.cc
+++ b/chrome/service/net/service_url_request_context.cc
@@ -55,7 +55,7 @@ std::string BuildOSCpuInfo() {
   }
 #endif
 
-  StringAppendF(
+  base::StringAppendF(
       &os_cpu,
 #if defined(OS_WIN)
       "Windows NT %d.%d",
@@ -91,12 +91,12 @@ std::string MakeUserAgentForServiceProcess() {
   std::string extra_version_info;
   if (!version_info.IsOfficialBuild())
     extra_version_info = "-devel";
-  StringAppendF(&user_agent,
-                "Chrome Service %s(%s)%s %s ",
-                version_info.Version().c_str(),
-                version_info.LastChange().c_str(),
-                extra_version_info.c_str(),
-                BuildOSCpuInfo().c_str());
+  base::StringAppendF(&user_agent,
+                      "Chrome Service %s(%s)%s %s ",
+                      version_info.Version().c_str(),
+                      version_info.LastChange().c_str(),
+                      extra_version_info.c_str(),
+                      BuildOSCpuInfo().c_str());
   return user_agent;
 }