Add a gyp flag to allow removing dependency on ppapi.

chrome/browser/browsing_data/browsing_data_remover.h

 // Copyright (c) 2012 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_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 
 #include <set>
 
 #include "base/gtest_prod_util.h"
@@ skipping 33 matching lines @@
 
 namespace dom_storage {
 struct LocalStorageUsageInfo;
 struct SessionStorageUsageInfo;
 }
 
 // BrowsingDataRemover is responsible for removing data related to browsing:
 // visits in url database, downloads, cookies ...
 
 class BrowsingDataRemover : public content::NotificationObserver,
-                            public base::WaitableEventWatcher::Delegate,
-                            public PepperFlashSettingsManager::Client {
+#if defined(ENABLE_PLUGINS)
+                            public PepperFlashSettingsManager::Client,
+#endif
+                            public base::WaitableEventWatcher::Delegate {
  public:
   // Time period ranges available when doing browsing data removals.
   enum TimePeriod {
     LAST_HOUR = 0,
     LAST_DAY,
     LAST_WEEK,
     FOUR_WEEKS,
     EVERYTHING
   };
 
@@ skipping 140 matching lines @@
   // BrowsingDataRemover.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // WaitableEventWatcher implementation.
   // Called when plug-in data has been cleared. Invokes NotifyAndDeleteIfDone.
   virtual void OnWaitableEventSignaled(
       base::WaitableEvent* waitable_event) OVERRIDE;
 
+#if defined(ENABLE_PLUGINS)
   // PepperFlashSettingsManager::Client implementation.
   virtual void OnDeauthorizeContentLicensesCompleted(uint32 request_id,
                                                      bool success) OVERRIDE;
+#endif
 
   // Removes the specified items related to browsing for a specific host. If the
   // provided |origin| is empty, data is removed for all origins. The
   // |origin_set_mask| parameter defines the set of origins from which data
   // should be removed (protected, unprotected, or both).
   void RemoveImpl(int remove_mask,
                   const GURL& origin,
                   int origin_set_mask);
 
   // If we're not waiting on anything, notifies observers and deletes this
@@ skipping 130 matching lines @@
   disk_cache::Backend* cache_;
 
   // Used to delete data from HTTP cache.
   scoped_refptr<net::URLRequestContextGetter> main_context_getter_;
   scoped_refptr<net::URLRequestContextGetter> media_context_getter_;
 
   // Used to delete plugin data.
   scoped_ptr<content::PluginDataRemover> plugin_data_remover_;
   base::WaitableEventWatcher watcher_;
 
+#if defined(ENABLE_PLUGINS)
   // Used to deauthorize content licenses for Pepper Flash.
   scoped_ptr<PepperFlashSettingsManager> pepper_flash_settings_manager_;
+#endif
+
   uint32 deauthorize_content_licenses_request_id_;
-
   // True if we're waiting for various data to be deleted.
   // These may only be accessed from UI thread in order to avoid races!
   bool waiting_for_clear_cache_;
   bool waiting_for_clear_content_licenses_;
   // Non-zero if waiting for cookies to be cleared.
   int waiting_for_clear_cookies_count_;
   bool waiting_for_clear_form_;
   bool waiting_for_clear_history_;
   bool waiting_for_clear_hostname_resolution_cache_;
   bool waiting_for_clear_local_storage_;
@@ skipping 21 matching lines @@
 
   ObserverList<Observer> observer_list_;
 
   // Used if we need to clear history.
   CancelableTaskTracker history_task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataRemover);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_