Reporting top cpu and memory consumers via rappor on chromeos

chrome/browser/task_management/providers/web_contents/renderer_task.cc

Index: chrome/browser/task_management/providers/web_contents/renderer_task.cc
diff --git a/chrome/browser/task_management/providers/web_contents/renderer_task.cc b/chrome/browser/task_management/providers/web_contents/renderer_task.cc
index 67b6eca422a8d7326d1386374c316d5a12e2b953..9a8ec77efbf3667dd6fe6ac2fe5b4deb826e0e5b 100644
--- a/chrome/browser/task_management/providers/web_contents/renderer_task.cc
+++ b/chrome/browser/task_management/providers/web_contents/renderer_task.cc
@@ -49,13 +49,20 @@ inline bool IsRendererResourceSamplingDisabled(int64 flags) {
   return (flags & (REFRESH_TYPE_V8_MEMORY | REFRESH_TYPE_WEBCACHE_STATS)) == 0;
 }
 
+std::string GetRapporSampleName(content::WebContents* web_contents) {
+  return web_contents->GetVisibleURL().GetOrigin().spec();
+}
+
 }  // namespace
 
 RendererTask::RendererTask(const base::string16& title,
                            const gfx::ImageSkia* icon,
                            content::WebContents* web_contents,
                            content::RenderProcessHost* render_process_host)
-    : Task(title, icon, render_process_host->GetHandle()),
+    : Task(title,
+           GetRapporSampleName(web_contents),
+           icon,
+           render_process_host->GetHandle()),
       web_contents_(web_contents),
       render_process_host_(render_process_host),
       renderer_resources_sampler_(
@@ -81,6 +88,10 @@ RendererTask::~RendererTask() {
       RemoveObserver(this);
 }
 
+void RendererTask::UpdateRapporSampleName() {
+  set_rappor_sample_name(GetRapporSampleName(web_contents()));
+}
+
 void RendererTask::Activate() {
   if (!web_contents_->GetDelegate())
     return;