webapps: initial addition of splash screen icon downloading

chrome/browser/banners/app_banner_manager.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_BANNERS_APP_BANNER_MANAGER_H_
 #define CHROME_BROWSER_BANNERS_APP_BANNER_MANAGER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 20 matching lines @@
                          public AppBannerDataFetcher::Delegate {
  public:
   static void DisableSecureSchemeCheckForTesting();
 
   static void SetEngagementWeights(double direct_engagement,
                                    double indirect_engagement);
 
   // Returns whether or not the URLs match for everything except for the ref.
   static bool URLsAreForTheSamePage(const GURL& first, const GURL& second);
 
-  explicit AppBannerManager(int icon_size);
+  explicit AppBannerManager(int ideal_icon_size_in_dp);
   ~AppBannerManager() override;
 
   // WebContentsObserver overrides.
   void DidCommitProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
       const GURL& url,
       ui::PageTransition transition_type) override;
 
   void DidFinishLoad(content::RenderFrameHost* render_frame_host,
                      const GURL& validated_url) override;
 
  protected:
-  AppBannerManager(content::WebContents* web_contents, int icon_size);
+  AppBannerManager(content::WebContents* web_contents,
+                   int ideal_icon_size_in_dp);
 
   void ReplaceWebContents(content::WebContents* web_contents);
 
   // Creates an AppBannerDataFetcher, which constructs an app banner.
   virtual AppBannerDataFetcher* CreateAppBannerDataFetcher(
       base::WeakPtr<AppBannerDataFetcher::Delegate> weak_delegate,
-      const int ideal_icon_size) = 0;
+      const int ideal_icon_size_in_dp) = 0;
 
   // Return whether the AppBannerDataFetcher is active.
   bool IsFetcherActive();
 
   scoped_refptr<AppBannerDataFetcher> data_fetcher() { return data_fetcher_; }
-  int ideal_icon_size() { return ideal_icon_size_; }
+  int ideal_icon_size_in_dp() const { return ideal_icon_size_in_dp_; }
 
  private:
   // AppBannerDataFetcher::Delegate overrides.
   bool HandleNonWebApp(const std::string& platform,
                        const GURL& url,
                        const std::string& id) override;
 
   // Called after the manager sends a message to the renderer regarding its
   // intention to show a prompt. The renderer will send a message back with the
   // opportunity to cancel.
   void OnBannerPromptReply(content::RenderFrameHost* render_frame_host,
                            int request_id,
                            blink::WebAppBannerPromptReply reply);
 
   // Cancels an active DataFetcher, stopping its banners from appearing.
   void CancelActiveFetcher();
 
   // Ideal icon size to use.
-  const int ideal_icon_size_;
+  const int ideal_icon_size_in_dp_;
 
   // The type of navigation made to the page
   ui::PageTransition last_transition_type_;
 
   // Fetches the data required to display a banner for the current page.
   scoped_refptr<AppBannerDataFetcher> data_fetcher_;
 
   // A weak pointer is used as the lifetime of the ServiceWorkerContext is
   // longer than the lifetime of this banner manager. The banner manager
   // might be gone when calls sent to the ServiceWorkerContext are completed.
   base::WeakPtrFactory<AppBannerManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerManager);
 };  // class AppBannerManager
 
 }  // namespace banners
 
 #endif  // CHROME_BROWSER_BANNERS_APP_BANNER_MANAGER_H_