Fix various TaskManager bugs and add new enhancements

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 ca30ac750dd15e99591707ebeb60063e23cd64a9..4c2ce607b8050ee7dbc14f19abe748cb25bc0172 100644
--- a/chrome/browser/task_management/providers/web_contents/renderer_task.cc
+++ b/chrome/browser/task_management/providers/web_contents/renderer_task.cc
@@ -11,8 +11,6 @@
 #include "chrome/browser/favicon/favicon_utils.h"
 #include "chrome/browser/process_resource_usage.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_info_cache.h"
-#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/task_management/task_manager_observer.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/render_process_host.h"
@@ -44,15 +42,7 @@ base::string16 GetRendererProfileName(
     const content::RenderProcessHost* render_process_host) {
   Profile* profile =
       Profile::FromBrowserContext(render_process_host->GetBrowserContext());
-  DCHECK(profile);
-  ProfileInfoCache& cache =
-      g_browser_process->profile_manager()->GetProfileInfoCache();
-  size_t index =
-      cache.GetIndexOfProfileWithPath(profile->GetOriginalProfile()->GetPath());
-  if (index != std::string::npos)
-    return cache.GetNameOfProfileAtIndex(index);
-
-  return base::string16();
+  return Task::GetProfileNameFromProfile(profile);
 }
 
 inline bool IsRendererResourceSamplingDisabled(int64 flags) {