Trace_event upgrades

chrome/browser/renderer_host/render_process_host.cc

 // Copyright (c) 2011 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 "chrome/browser/renderer_host/render_process_host.h"
 
 #include "base/rand_util.h"
 #include "base/sys_info.h"
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/common/child_process_info.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/notification_service.h"
+#include "chrome/common/render_messages.h"
 
 namespace {
 
 size_t max_renderer_count_override = 0;
 
 size_t GetMaxRendererProcessCount() {
   if (max_renderer_count_override)
     return max_renderer_count_override;
 
   // Defines the maximum number of renderer processes according to the
@@ skipping 47 matching lines @@
   if (ChildProcessSecurityPolicy::GetInstance()->
         HasExtensionBindings(host->id()))
     host_type = RenderProcessHost::TYPE_EXTENSION;
 
   return host_type == type;
 }
 
 // the global list of all renderer processes
 IDMap<RenderProcessHost> all_hosts;
 
+// Whether tracing is enabled on render processes.
+bool trace_enabled = false;
+
 }  // namespace
 
 extern bool g_log_bug53991;
 
 // static
 bool RenderProcessHost::run_renderer_in_process_ = false;
 
 // static
 void RenderProcessHost::SetMaxRendererProcessCount(size_t count) {
   max_renderer_count_override = count;
 }
 
+// TODO(nduca): if a process is crated while enabled,

[Ken Russell (switch to Gerrit), 2011/02/25 00:56:36]

crated -> created

+// send enabled flag to child process
+int RenderProcessHost::SetTraceEnabled(bool enabled) {
+  int count = 0;
+  trace_enabled = enabled;
+  for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
+       !i.IsAtEnd(); i.Advance()) {
+    i.GetCurrentValue()->Send(new ViewMsg_SetTraceEnabled(enabled));
+    count += 1;
+  }
+  return count;
+}
+
 RenderProcessHost::RenderProcessHost(Profile* profile)
     : max_page_id_(-1),
       fast_shutdown_started_(false),
       deleting_soon_(false),
       id_(ChildProcessInfo::GenerateChildProcessUniqueId()),
       profile_(profile),
       sudden_termination_allowed_(true),
       ignore_input_events_(false) {
   all_hosts.AddWithID(this, id());
   all_hosts.set_check_on_null_data(true);
@@ skipping 93 matching lines @@
 
   // Now pick a random suitable renderer, if we have any.
   if (!suitable_renderers.empty()) {
     int suitable_count = static_cast<int>(suitable_renderers.size());
     int random_index = base::RandInt(0, suitable_count - 1);
     return suitable_renderers[random_index];
   }
 
   return NULL;
 }