TaskManager: allows referencing task resources from the web ui.

chrome/browser/task_manager/task_manager.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/task_manager/task_manager.h"
 
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
 #include "base/process_util.h"
@@ skipping 60 matching lines @@
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 // TaskManagerModel class
 ////////////////////////////////////////////////////////////////////////////////
 
 TaskManagerModel::TaskManagerModel(TaskManager* task_manager)
     : update_requests_(0),
       update_state_(IDLE),
-      goat_salt_(rand()) {
+      goat_salt_(rand()),
+      last_unique_id_(0) {
   AddResourceProvider(
       new TaskManagerBrowserProcessResourceProvider(task_manager));
   AddResourceProvider(
       new TaskManagerBackgroundContentsResourceProvider(task_manager));
   AddResourceProvider(new TaskManagerTabContentsResourceProvider(task_manager));
   AddResourceProvider(
       new TaskManagerChildProcessResourceProvider(task_manager));
   AddResourceProvider(
       new TaskManagerExtensionProcessResourceProvider(task_manager));
 
@@ skipping 19 matching lines @@
 }
 
 void TaskManagerModel::AddObserver(TaskManagerModelObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void TaskManagerModel::RemoveObserver(TaskManagerModelObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
+int TaskManagerModel::GetResourceUniqueId(int index) const {
+  CHECK_LT(index, ResourceCount());
+  return resources_[index]->get_unique_id();
+}
+
 string16 TaskManagerModel::GetResourceTitle(int index) const {
   CHECK_LT(index, ResourceCount());
   return resources_[index]->GetTitle();
 }
 
 string16 TaskManagerModel::GetResourceProfileName(int index) const {
   CHECK_LT(index, ResourceCount());
   return resources_[index]->GetProfileName();
 }
 
@@ skipping 423 matching lines @@
 bool TaskManagerModel::GetV8Memory(int index, size_t* result) const {
   *result = 0;
   if (!resources_[index]->ReportsV8MemoryStats())
     return false;
 
   *result = resources_[index]->GetV8MemoryAllocated();
   return true;
 }
 
 bool TaskManagerModel::CanInspect(int index) const {
+  CHECK_LT(index, ResourceCount());
   return resources_[index]->CanInspect();
 }
 
 void TaskManagerModel::Inspect(int index) const {
+  CHECK_LT(index, ResourceCount());
   resources_[index]->Inspect();
 }
 
 int TaskManagerModel::GetGoatsTeleported(int index) const {
   int seed = goat_salt_ * (index + 1);
   return (seed >> 16) & 255;
 }
 
 string16 TaskManagerModel::GetMemCellText(int64 number) const {
 #if !defined(OS_MACOSX)
@@ skipping 57 matching lines @@
 
 void TaskManagerModel::AddResourceProvider(
     TaskManager::ResourceProvider* provider) {
   DCHECK(provider);
   // AddRef matched with Release in destructor.
   provider->AddRef();
   providers_.push_back(provider);
 }
 
 void TaskManagerModel::AddResource(TaskManager::Resource* resource) {
+  resource->unique_id_ = ++last_unique_id_;
+
   base::ProcessHandle process = resource->GetProcess();
 
   ResourceList* group_entries = NULL;
   GroupMap::const_iterator group_iter = group_map_.find(process);
   int new_entry_index = 0;
   if (group_iter == group_map_.end()) {
     group_entries = new ResourceList();
     group_map_[process] = group_entries;
     group_entries->push_back(resource);
 
@@ skipping 105 matching lines @@
     metrics_map_.clear();
     cpu_usage_map_.clear();
 
     // Clear the network maps.
     current_byte_count_map_.clear();
     displayed_network_usage_map_.clear();
 
     FOR_EACH_OBSERVER(TaskManagerModelObserver, observer_list_,
                       OnItemsRemoved(0, size));
   }
+  last_unique_id_ = 0;
 }
 
 void TaskManagerModel::ModelChanged() {
   // Notify the table that the contents have changed for it to redraw.
   FOR_EACH_OBSERVER(TaskManagerModelObserver, observer_list_, OnModelChanged());
 }
 
 void TaskManagerModel::NotifyResourceTypeStats(
     base::ProcessId renderer_id,
     const WebKit::WebCache::ResourceTypeStats& stats) {
@@ skipping 347 matching lines @@
     // Count the number of extensions with background pages (including
     // incognito).
     count += CountExtensionBackgroundPagesForProfile(profile);
     if (profile->HasOffTheRecordProfile()) {
       count += CountExtensionBackgroundPagesForProfile(
           profile->GetOffTheRecordProfile());
     }
   }
   return count;
 }