Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/extensions/extension_process_manager.h

Index: chrome/browser/extensions/extension_process_manager.h
diff --git a/chrome/browser/extensions/extension_process_manager.h b/chrome/browser/extensions/extension_process_manager.h
index eddf0cfa9571f9748cd0713f3bf448fbfdbae987..9e9df0803813a0930e64a16f353bb23fa366ff48 100644
--- a/chrome/browser/extensions/extension_process_manager.h
+++ b/chrome/browser/extensions/extension_process_manager.h
@@ -32,9 +32,23 @@ class SiteInstance;
 // track of split-mode extensions only.
 class ExtensionProcessManager : public content::NotificationObserver {
  public:
+  typedef std::set<ExtensionHost*> ExtensionHostSet;
+  typedef ExtensionHostSet::const_iterator const_iterator;
+
   static ExtensionProcessManager* Create(Profile* profile);
   virtual ~ExtensionProcessManager();
 
+  const ExtensionHostSet& background_hosts() const {
+    return background_hosts_;
+  }
+
+  const ExtensionHostSet& platform_app_hosts() const {
+    return platform_app_hosts_;
+  }
+
+  typedef std::set<content::RenderViewHost*> ViewSet;
+  const ViewSet GetAllViews() const;
+
   // Creates a new ExtensionHost with its associated view, grouping it in the
   // appropriate SiteInstance (and therefore process) based on the URL and
   // profile.
@@ -86,8 +100,10 @@ class ExtensionProcessManager : public content::NotificationObserver {
   std::set<content::RenderViewHost*> GetRenderViewHostsForExtension(
       const std::string& extension_id);
 
-  // Returns true if |host| is managed by this process manager.
-  bool HasExtensionHost(ExtensionHost* host) const;
+  // Returns the extension associated with the specified RenderViewHost, or
+  // NULL.
+  const Extension* GetExtensionForRenderViewHost(
+      content::RenderViewHost* render_view_host);
 
   // Returns true if the (lazy) background host for the given extension has
   // already been sent the unload event and is shutting down.
@@ -113,11 +129,6 @@ class ExtensionProcessManager : public content::NotificationObserver {
   void OnNetworkRequestStarted(content::RenderViewHost* render_view_host);
   void OnNetworkRequestDone(content::RenderViewHost* render_view_host);
 
-  typedef std::set<ExtensionHost*> ExtensionHostSet;
-  typedef ExtensionHostSet::const_iterator const_iterator;
-  const_iterator begin() const { return all_hosts_.begin(); }
-  const_iterator end() const { return all_hosts_.end(); }
-
  protected:
   explicit ExtensionProcessManager(Profile* profile);
 
@@ -138,12 +149,12 @@ class ExtensionProcessManager : public content::NotificationObserver {
 
   content::NotificationRegistrar registrar_;
 
-  // The set of all ExtensionHosts managed by this process manager.
-  ExtensionHostSet all_hosts_;
-
-  // The set of running viewless background extensions.
+  // The set of ExtensionHosts running viewless background extensions.
   ExtensionHostSet background_hosts_;
 
+  // The set of ExtensionHosts running platform apps.
+  ExtensionHostSet platform_app_hosts_;
+
   // A SiteInstance related to the SiteInstance for all extensions in
   // this profile.  We create it in such a way that a new
   // browsing instance is created.  This controls process grouping.