webkit: Append base:: in the StringPrintf calls.

webkit/appcache/appcache_host.cc

Index: webkit/appcache/appcache_host.cc
diff --git a/webkit/appcache/appcache_host.cc b/webkit/appcache/appcache_host.cc
index 1f1b5da8549839758939a4be50d973abe4e0170a..f11293d4567a314e6444db80d11b80f45559eea7 100644
--- a/webkit/appcache/appcache_host.cc
+++ b/webkit/appcache/appcache_host.cc
@@ -6,6 +6,7 @@
 
 #include "base/logging.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "webkit/appcache/appcache.h"
 #include "webkit/appcache/appcache_backend_impl.h"
 #include "webkit/appcache/appcache_request_handler.h"
@@ -357,7 +358,7 @@ void AppCacheHost::FinishCacheSelection(
         "Document was loaded from Application Cache with manifest %s";
     frontend_->OnLogMessage(
         host_id_, LOG_INFO,
-        StringPrintf(
+        base::StringPrintf(
             kFormatString, owing_group->manifest_url().spec().c_str()));
     AssociateCache(cache);
     if (!owing_group->is_obsolete() && !owing_group->is_being_deleted()) {
@@ -377,7 +378,8 @@ void AppCacheHost::FinishCacheSelection(
         "Creating Application Cache with manifest %s";
     frontend_->OnLogMessage(
         host_id_, LOG_INFO,
-        StringPrintf(kFormatString, group->manifest_url().spec().c_str()));
+        base::StringPrintf(kFormatString,
+                           group->manifest_url().spec().c_str()));
     AssociateCache(NULL);  // The UpdateJob may produce one for us later.
     group->StartUpdateWithNewMasterEntry(this, new_master_entry_url_);
     ObserveGroupBeingUpdated(group);