Enable chrome://gcm-internals on Android

ios/chrome/browser/ui/webui/gcm/gcm_internals_ui.cc

 // 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.
 
 #include "ios/chrome/browser/ui/webui/gcm/gcm_internals_ui.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 64 matching lines @@
   if (args->GetSize() != 1) {
     NOTREACHED();
     return;
   }
   bool clear_logs = false;
   if (!args->GetBoolean(0, &clear_logs)) {
     NOTREACHED();
     return;
   }
 
+  gcm::GCMDriver::ClearActivityLogs clear_activity_logs =
+      clear_logs ? gcm::GCMDriver::CLEAR_LOGS : gcm::GCMDriver::KEEP_LOGS;
+
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromWebUIIOS(web_ui());
   gcm::GCMProfileService* profile_service =
       IOSChromeGCMProfileServiceFactory::GetForBrowserState(browser_state);
 
   if (!profile_service || !profile_service->driver()) {
     ReturnResults(browser_state->GetPrefs(), nullptr, nullptr);
   } else {
     profile_service->driver()->GetGCMStatistics(
         base::Bind(&GcmInternalsUIMessageHandler::RequestGCMStatisticsFinished,
                    weak_ptr_factory_.GetWeakPtr()),
-        clear_logs);
+        clear_activity_logs);
   }
 }
 
 void GcmInternalsUIMessageHandler::SetRecording(const base::ListValue* args) {
   if (args->GetSize() != 1) {
     NOTREACHED();
     return;
   }
   bool recording = false;
   if (!args->GetBoolean(0, &recording)) {
@@ skipping 57 matching lines @@
                                IDR_GCM_DRIVER_GCM_INTERNALS_JS);
   html_source->SetDefaultResource(IDR_GCM_DRIVER_GCM_INTERNALS_HTML);
 
   web::WebUIIOSDataSource::Add(ios::ChromeBrowserState::FromWebUIIOS(web_ui),
                                html_source);
 
   web_ui->AddMessageHandler(new GcmInternalsUIMessageHandler());
 }
 
 GCMInternalsUI::~GCMInternalsUI() {}