Adds a 'V8' column to task manager to track amount of memory in JavaScript heap

BUG=27226
TEST=open task manager, enable column, compare with V8 heap profiler

Review URL: http://codereview.chromium.org/377037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31641 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 24 insertions, 0 deletions

diff --git a/chrome/browser/task_manager.cc b/chrome/browser/task_manager.cc
index 43e2657..090f626 100644
--- a/chrome/browser/task_manager.cc
+++ b/chrome/browser/task_manager.cc
@@ -196,6 +196,19 @@ std::wstring TaskManagerModel::GetResourceSqliteMemoryUsed(int index) const {
   return GetMemCellText(resources_[index]->SqliteMemoryUsedBytes() / 1024);
 }
 
+std::wstring TaskManagerModel::GetResourceV8MemoryAllocatedSize(
+    int index) const {
+  if (!resources_[index]->ReportsV8MemoryStats())
+    return l10n_util::GetString(IDS_TASK_MANAGER_NA_CELL_TEXT);
+  return l10n_util::GetStringF(IDS_TASK_MANAGER_CACHE_SIZE_CELL_TEXT,
+      FormatBytes(resources_[index]->GetV8MemoryAllocated(),
+                  DATA_UNITS_KILOBYTE,
+                  false),
+      FormatBytes(resources_[index]->GetV8MemoryUsed(),
+                  DATA_UNITS_KILOBYTE,
+                  false));
+}
+
 bool TaskManagerModel::IsResourceFirstInGroup(int index) const {
   DCHECK(index < ResourceCount());
   TaskManager::Resource* resource = resources_[index];
@@ -621,6 +634,17 @@ void TaskManagerModel::NotifyResourceTypeStats(
   }
 }
 
+void TaskManagerModel::NotifyV8HeapStats(base::ProcessId renderer_id,
+                                         size_t v8_memory_allocated,
+                                         size_t v8_memory_used) {
+  for (ResourceList::iterator it = resources_.begin();
+       it != resources_.end(); ++it) {
+    if (base::GetProcId((*it)->GetProcess()) == renderer_id) {
+      (*it)->NotifyV8HeapStats(v8_memory_allocated, v8_memory_used);
+    }
+  }
+}
+
 void TaskManagerModel::Refresh() {
   DCHECK_NE(IDLE, update_state_);