Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/guest_resource_provider.h

Index: chrome/browser/task_manager/guest_resource_provider.h
diff --git a/chrome/browser/task_manager/task_manager_guest_resource_provider.h b/chrome/browser/task_manager/guest_resource_provider.h
similarity index 68%
rename from chrome/browser/task_manager/task_manager_guest_resource_provider.h
rename to chrome/browser/task_manager/guest_resource_provider.h
index a1d343ad2036ef0847e8bf78835b27df6a3e5543..cdcd9a3432bf59d5f0b592eceaaa68a7355541d8 100644
--- a/chrome/browser/task_manager/task_manager_guest_resource_provider.h
+++ b/chrome/browser/task_manager/guest_resource_provider.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_
-#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_
+#ifndef CHROME_BROWSER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_
+#define CHROME_BROWSER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_
 
 #include <map>
 
@@ -12,17 +12,18 @@
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
-class TaskManagerGuestResource;
-
 namespace content {
 class RenderViewHost;
 }
 
-class TaskManagerGuestResourceProvider
-    : public TaskManager::ResourceProvider,
-      public content::NotificationObserver {
+namespace task_manager {
+
+class GuestResource;
+
+class GuestResourceProvider : public TaskManager::ResourceProvider,
+                              public content::NotificationObserver {
  public:
-  explicit TaskManagerGuestResourceProvider(TaskManager* task_manager);
+  explicit GuestResourceProvider(TaskManager* task_manager);
 
   // TaskManager::ResourceProvider methods:
   virtual TaskManager::Resource* GetResource(int origin_pid,
@@ -37,7 +38,7 @@ class TaskManagerGuestResourceProvider
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
-  virtual ~TaskManagerGuestResourceProvider();
+  virtual ~GuestResourceProvider();
 
   void Add(content::RenderViewHost* render_view_host);
   void Remove(content::RenderViewHost* render_view_host);
@@ -48,14 +49,15 @@ class TaskManagerGuestResourceProvider
 
   TaskManager* task_manager_;
 
-  typedef std::map<content::RenderViewHost*,
-      TaskManagerGuestResource*> GuestResourceMap;
+  typedef std::map<content::RenderViewHost*, GuestResource*> GuestResourceMap;
   GuestResourceMap resources_;
 
   // A scoped container for notification registries.
   content::NotificationRegistrar registrar_;
 
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerGuestResourceProvider);
+  DISALLOW_COPY_AND_ASSIGN(GuestResourceProvider);
 };
 
-#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_
+}  // namespace task_manager
+
+#endif  // CHROME_BROWSER_TASK_MANAGER_GUEST_RESOURCE_PROVIDER_H_