Change BufferManager::RequestBufferAccess signatures to avoid sprintfs.

gpu/command_buffer/service/vertex_attrib_manager.cc

Index: gpu/command_buffer/service/vertex_attrib_manager.cc
diff --git a/gpu/command_buffer/service/vertex_attrib_manager.cc b/gpu/command_buffer/service/vertex_attrib_manager.cc
index abaecea39018b6c13321f7ab7fa10c9becb41b36..a48c678d28a8e3f4a3293644fe9fa32b71b16a3f 100644
--- a/gpu/command_buffer/service/vertex_attrib_manager.cc
+++ b/gpu/command_buffer/service/vertex_attrib_manager.cc
@@ -202,10 +202,10 @@ bool VertexAttribManager::ValidateBindings(
        it != enabled_vertex_attribs_.end(); ++it) {
     VertexAttrib* attrib = *it;
     Buffer* buffer = attrib->buffer();
-    std::string msg_tag = base::StringPrintf(
-        "attached to enabled attrib %u", attrib->index());
     if (!buffer_manager->RequestBufferAccess(
-            error_state, buffer, function_name, msg_tag.c_str())) {
+            error_state, buffer, function_name,
+            "attached to enabled attrib %u",
+            attrib->index())) {
       return false;
     }
     const Program::VertexAttrib* attrib_info =