Sky should symbolize pprof traces

sky/tools/debugger/prompt/prompt.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/profiler.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 160 matching lines @@
     Respond(connection_id, "Starting trace (type 'trace' to stop tracing)\n");
   }
 
   void OnTraceAvailable(int connection_id, std::string trace) {
     trace_collector_.reset();
     Respond(connection_id, trace);
   }
 
   void StartProfiling(int connection_id) {
     base::debug::StartProfiling("sky_viewer.pprof");
-    Respond(connection_id, "Starting profiling (type 'stop_profiling' to stop");
+    Respond(connection_id, "Starting profiling (stop with 'stop_profiling')");
   }
 
   void StopProfiling(int connection_id) {
     base::debug::StopProfiling();
     Respond(connection_id, "Stopped profiling");
   }
 
   bool is_tracing_;
   DebuggerPtr debugger_;
   tracing::TraceCoordinatorPtr tracing_;
   std::string url_;
   base::WeakPtrFactory<Prompt> weak_ptr_factory_;
   scoped_ptr<net::HttpServer> web_server_;
   uint32_t command_port_;
 
   scoped_ptr<TraceCollector> trace_collector_;
 
   DISALLOW_COPY_AND_ASSIGN(Prompt);
 };
 
 }  // namespace debugger
 }  // namespace sky
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new sky::debugger::Prompt);
   runner.set_message_loop_type(base::MessageLoop::TYPE_IO);
   return runner.Run(shell_handle);
 }