Project Eraser: Kill chrome://memory.

chrome/browser/ui/webui/memory_internals/memory_internals_handler.cc

-// Copyright 2013 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/ui/webui/memory_internals/memory_internals_handler.h"
-
-#include <vector>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/strings/string16.h"
-#include "base/values.h"
-#include "chrome/browser/ui/webui/memory_internals/memory_internals_proxy.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_ui.h"
-
-MemoryInternalsHandler::MemoryInternalsHandler()
-    : proxy_(new MemoryInternalsProxy()) {}
-
-MemoryInternalsHandler::~MemoryInternalsHandler() {
-  proxy_->Detach();
-}
-
-void MemoryInternalsHandler::RegisterMessages() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  proxy_->Attach(this);
-
-  // Set callback functions called by JavaScript messages.
-  web_ui()->RegisterMessageCallback(
-      "update",
-      base::Bind(&MemoryInternalsHandler::OnJSUpdate,
-                 base::Unretained(this)));
-}
-
-void MemoryInternalsHandler::OnJSUpdate(const base::ListValue* list) {
-  proxy_->StartFetch(list);
-}
-
-void MemoryInternalsHandler::OnUpdate(const base::string16& update) {
-  // Don't try to execute JavaScript in a RenderFrame that no longer exists.
-  content::RenderFrameHost* frame = web_ui()->GetWebContents()->GetMainFrame();
-  if (frame)
-    frame->ExecuteJavaScript(update);
-}