[Cleanup] Remove StringPrintf from global namespace

use of StringPrintf now requires prefixing with base:: or a per-scope using directive

TBR'd:
abodenha: chrome/service
brettw: content, third_party, webkit
darin: base, chrome/browser, chrome/renderer
dgarret: courgette
enne: cc
fischmann: media
gbillock: sql
joi: google_apis,components
rsleevi: net, crypto
sky: chrome/test
thestig: printing, chrome/common,
tsepez: ipc
wez: remoting
yfriedman: testing/android

NOTRY=true
R=brettw@chromium.org
TBR=joi@chromium.org, rsleevi@chromium.org, enne@chromium.org, thestig@chromium.org, darin@chromium.org, abodenha@chromium.org, sky@chromium.org, dgarret@chromium.org, tsepez@chromium.org, fishman@chromium.org, wez@chromium.org, gbillock@chromium.org, yfriedman@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12767006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@188857 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 2 insertions, 2 deletions

diff --git a/net/proxy/proxy_resolver_v8_tracing_unittest.cc b/net/proxy/proxy_resolver_v8_tracing_unittest.cc
index 1c6aa13..e0162d4 100644
--- a/net/proxy/proxy_resolver_v8_tracing_unittest.cc
+++ b/net/proxy/proxy_resolver_v8_tracing_unittest.cc
@@ -74,8 +74,8 @@ class MockErrorObserver : public ProxyResolverErrorObserver {
                                 const string16& error) OVERRIDE {
     {
       base::AutoLock l(lock_);
-      output += StringPrintf("Error: line %d: %s\n", line_number,
-                             UTF16ToASCII(error).c_str());
+      output += base::StringPrintf("Error: line %d: %s\n", line_number,
+                                   UTF16ToASCII(error).c_str());
     }
     event_.Signal();
   }