Add a gyp flag to allow removing dependency on ppapi.

chrome/browser/browsing_data/browsing_data_remover.cc

 // 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.
 
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 470 matching lines @@
     // The PrerenderManager may have a page actively being prerendered, which
     // is essentially a preemptively cached page.
     prerender::PrerenderManager* prerender_manager =
         prerender::PrerenderManagerFactory::GetForProfile(profile_);
     if (prerender_manager) {
       prerender_manager->ClearData(
           prerender::PrerenderManager::CLEAR_PRERENDER_CONTENTS);
     }
   }
 
+#if defined(ENABLE_PPAPI)
   if (remove_mask & REMOVE_CONTENT_LICENSES) {
     content::RecordAction(
         UserMetricsAction("ClearBrowsingData_ContentLicenses"));
 
     waiting_for_clear_content_licenses_ = true;
     if (!pepper_flash_settings_manager_.get()) {
       pepper_flash_settings_manager_.reset(
           new PepperFlashSettingsManager(this, profile_));
     }
     deauthorize_content_licenses_request_id_ =
         pepper_flash_settings_manager_->DeauthorizeContentLicenses();
   }
+#endif
 
   // Always wipe accumulated network related data (TransportSecurityState and
   // HttpServerPropertiesManager data).
   waiting_for_clear_networking_history_ = true;
   profile_->ClearNetworkingHistorySince(
       delete_begin_,
       base::Bind(&BrowsingDataRemover::OnClearedNetworkingHistory,
                  base::Unretained(this)));
 }
 
@@ skipping 424 matching lines @@
   waiting_for_clear_quota_managed_data_ = false;
   NotifyAndDeleteIfDone();
 }
 
 void BrowsingDataRemover::OnWaitableEventSignaled(
     base::WaitableEvent* waitable_event) {
   waiting_for_clear_plugin_data_ = false;
   NotifyAndDeleteIfDone();
 }
 
+#if defined(ENABLE_PPAPI)
 void BrowsingDataRemover::OnDeauthorizeContentLicensesCompleted(
     uint32 request_id,
     bool /* success */) {
   DCHECK(waiting_for_clear_content_licenses_);
   DCHECK_EQ(request_id, deauthorize_content_licenses_request_id_);
 
   waiting_for_clear_content_licenses_ = false;
   NotifyAndDeleteIfDone();
 }
+#endif
 
 void BrowsingDataRemover::OnClearedCookies(int num_deleted) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&BrowsingDataRemover::OnClearedCookies,
                    base::Unretained(this), num_deleted));
     return;
   }
 
@@ skipping 38 matching lines @@
       BrowserThread::UI, FROM_HERE,
       base::Bind(&BrowsingDataRemover::OnClearedFormData,
                  base::Unretained(this)));
 }
 
 void BrowsingDataRemover::OnClearedFormData() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   waiting_for_clear_form_ = false;
   NotifyAndDeleteIfDone();
 }