Remove old web app code it's no longer needed. Simplifies startup a little.

chrome/browser/web_app_icon_manager.cc

-// Copyright (c) 2006-2008 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/web_app_icon_manager.h"
-
-#include "chrome/app/chrome_dll_resource.h"
-#include "chrome/app/theme/theme_resources.h"
-#include "chrome/browser/tab_contents/web_contents.h"
-#include "chrome/common/gfx/icon_util.h"
-#include "skia/include/SkBitmap.h"
-
-// Returns the default icon for the window.
-static HICON GetDefaultIcon() {
-  HMODULE chrome_dll = GetModuleHandle(L"chrome.dll");
-  return ::LoadIcon(chrome_dll, MAKEINTRESOURCE(IDR_MAINFRAME));
-}
-
-// Updates the icon of the window from the specified SkBitmap. If the image
-// is empty, the default icon is used. If icon is non-null it is updated to
-// reflect the new icon (unless the default is used).
-static void UpdateIcon(HWND hwnd,
-                       const SkBitmap& image,
-                       int icon_type,
-                       HICON* icon) {
-  if (icon) {
-    if (*icon)
-      DestroyIcon(*icon);
-    *icon = NULL;
-  }
-
-  HICON icon_to_set;
-  if (image.width() > 0) {
-    icon_to_set = IconUtil::CreateHICONFromSkBitmap(image);
-    if (icon)
-      *icon = icon_to_set;
-  } else {
-    icon_to_set = GetDefaultIcon();
-  }
-  ::SendMessage(hwnd, WM_SETICON, icon_type,
-                reinterpret_cast<LPARAM>(icon_to_set));
-}
-
-WebAppIconManager::WebAppIconManager(HWND parent)
-    : hwnd_(parent), small_icon_(NULL), big_icon_(NULL), enabled_(true) {
-}
-
-WebAppIconManager::~WebAppIconManager() {
-  if (small_icon_)
-    DestroyIcon(small_icon_);
-
-  if (big_icon_)
-    DestroyIcon(big_icon_);
-
-  if (app_.get())
-    app_->RemoveObserver(this);
-}
-
-void WebAppIconManager::SetContents(TabContents* contents) {
-  WebApp* new_app = NULL;
-  if (contents && contents->AsWebContents())
-    new_app = contents->AsWebContents()->web_app();
-
-  if (new_app == app_.get())
-    return;
-
-  if (app_.get())
-    app_->RemoveObserver(this);
-  app_ = new_app;
-  if (app_.get()) {
-    app_->AddObserver(this);
-    UpdateIconsFromApp();
-  } else if (enabled_) {
-    UpdateIcon(hwnd_, SkBitmap(), ICON_SMALL, NULL);
-    UpdateIcon(hwnd_, SkBitmap(), ICON_BIG, NULL);
-  }
-}
-
-void WebAppIconManager::SetUpdatesEnabled(bool enabled) {
-  if (enabled == enabled_)
-    return;
-
-  enabled_ = enabled;
-  if (enabled_)
-    UpdateIconsFromApp();
-}
-
-void WebAppIconManager::WebAppImagesChanged(WebApp* web_app) {
-  UpdateIconsFromApp();
-}
-
-void WebAppIconManager::UpdateIconsFromApp() {
-  if (!enabled_)
-    return;
-
-  SkBitmap small_image;
-  SkBitmap big_image;
-  if (app_.get() && !app_->GetImages().empty()) {
-    const WebApp::Images& images = app_->GetImages();
-    WebApp::Images::const_iterator smallest = images.begin();
-    WebApp::Images::const_iterator biggest = images.begin();
-    for (WebApp::Images::const_iterator i = images.begin() + 1;
-         i != images.end(); ++i) {
-      if (i->width() > biggest->width())
-        biggest = i;
-      else if (i->width() > 0 && i->width() < smallest->width())
-        smallest = i;
-    }
-    small_image = *smallest;
-    big_image = *biggest;
-  }
-  UpdateIcon(hwnd_, small_image, ICON_SMALL, &small_icon_);
-  UpdateIcon(hwnd_, big_image, ICON_BIG, &big_icon_);
-}
-