refactor: remove InspectableWebContents::GetAll() (#38442)

It is unused and also keeps a persistent std::list<>, so remove it.

shell/browser/ui/inspectable_web_contents.cc

@@ -94,9 +94,6 @@ const char kTitleFormat[] = "Developer Tools - %s";
 
 const size_t kMaxMessageChunkSize = IPC::Channel::kMaximumMessageSize / 4;
 
-// Stores all instances of InspectableWebContents.
-InspectableWebContents::List g_web_contents_instances_;
-
 base::Value::Dict RectToDictionary(const gfx::Rect& bounds) {
   return base::Value::Dict{}
       .Set("x", bounds.x())
@@ -330,10 +327,6 @@ InspectableWebContentsView* CreateInspectableContentsView(
     InspectableWebContents* inspectable_web_contents);
 
 // static
-const InspectableWebContents::List& InspectableWebContents::GetAll() {
-  return g_web_contents_instances_;
-}
-
 // static
 void InspectableWebContents::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(kDevToolsBoundsPref,
@@ -375,11 +368,9 @@ InspectableWebContents::InspectableWebContents(
           display.y() + (display.height() - devtools_bounds_.height()) / 2);
     }
   }
-  g_web_contents_instances_.push_back(this);
 }
 
 InspectableWebContents::~InspectableWebContents() {
-  g_web_contents_instances_.remove(this);
   // Unsubscribe from devtools and Clean up resources.
   if (GetDevToolsWebContents())
     WebContentsDestroyed();

shell/browser/ui/inspectable_web_contents.h

@@ -6,7 +6,6 @@
 #ifndef ELECTRON_SHELL_BROWSER_UI_INSPECTABLE_WEB_CONTENTS_H_
 #define ELECTRON_SHELL_BROWSER_UI_INSPECTABLE_WEB_CONTENTS_H_
 
-#include <list>
 #include <map>
 #include <memory>
 #include <set>
@@ -42,9 +41,6 @@ class InspectableWebContents
       public content::WebContentsDelegate,
       public DevToolsEmbedderMessageDispatcher::Delegate {
  public:
-  using List = std::list<InspectableWebContents*>;
-
-  static const List& GetAll();
   static void RegisterPrefs(PrefRegistrySimple* pref_registry);
 
   InspectableWebContents(std::unique_ptr<content::WebContents> web_contents,