Introduce GeolocationPermissionRequestID, a wrapper struct to contain the (render process ID, rende…

chrome/browser/geolocation/chrome_geolocation_permission_context.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/geolocation/chrome_geolocation_permission_context.h"
 
 #include <functional>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/geolocation/geolocation_infobar_queue_controller.h"
+#include "chrome/browser/geolocation/geolocation_permission_request_id.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/view_type_utils.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 
-using WebKit::WebSecurityOrigin;
-using content::BrowserThread;
-using content::WebContents;
-
-// GeolocationPermissionContext -----------------------------------------------
 
 ChromeGeolocationPermissionContext::ChromeGeolocationPermissionContext(
     Profile* profile)
     : profile_(profile) {
 }
 
 ChromeGeolocationPermissionContext::~ChromeGeolocationPermissionContext() {
 }
 
 void ChromeGeolocationPermissionContext::RequestGeolocationPermission(
-    int render_process_id, int render_view_id, int bridge_id,
-    const GURL& requesting_frame, base::Callback<void(bool)> callback) {
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
+    int render_process_id,
+    int render_view_id,
+    int bridge_id,
+    const GURL& requesting_frame,
+    base::Callback<void(bool)> callback) {
+  if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI, FROM_HERE,
         base::Bind(
             &ChromeGeolocationPermissionContext::RequestGeolocationPermission,
             this, render_process_id, render_view_id, bridge_id,
             requesting_frame, callback));
     return;
   }
 
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  WebContents* web_contents =
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  content::WebContents* web_contents =
       tab_util::GetWebContentsByID(render_process_id, render_view_id);
+  const GeolocationPermissionRequestID id(render_process_id, render_view_id,
+                                          bridge_id);
   if (chrome::GetViewType(web_contents) != chrome::VIEW_TYPE_TAB_CONTENTS) {
     // The tab may have gone away, or the request may not be from a tab at all.
     // TODO(mpcomplete): the request could be from a background page or
     // extension popup (tab_contents will have a different ViewType). But why do
     // we care? Shouldn't we still put an infobar up in the current tab?
     LOG(WARNING) << "Attempt to use geolocation tabless renderer: "
-                 << render_process_id << "," << render_view_id << ","
-                 << bridge_id << " (can't prompt user without a visible tab)";
-    NotifyPermissionSet(render_process_id, render_view_id, bridge_id,
-                        requesting_frame, callback, false);
+                 << id.ToString()
+                 << " (can't prompt user without a visible tab)";
+    NotifyPermissionSet(id, requesting_frame, callback, false);
     return;
   }
 
   GURL embedder = web_contents->GetURL();
   if (!requesting_frame.is_valid() || !embedder.is_valid()) {
     LOG(WARNING) << "Attempt to use geolocation from an invalid URL: "
                  << requesting_frame << "," << embedder
                  << " (geolocation is not supported in popups)";
-    NotifyPermissionSet(render_process_id, render_view_id, bridge_id,
-                        requesting_frame, callback, false);
+    NotifyPermissionSet(id, requesting_frame, callback, false);
     return;
   }
 
-  DecidePermission(render_process_id, render_view_id, bridge_id,
-                   requesting_frame, embedder, callback);
+  DecidePermission(id, requesting_frame, embedder, callback);
+
 }
 
 void ChromeGeolocationPermissionContext::CancelGeolocationPermissionRequest(
     int render_process_id,
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame) {
-  CancelPendingInfoBarRequest(render_process_id, render_view_id, bridge_id);
+  CancelPendingInfoBarRequest(GeolocationPermissionRequestID(
+      render_process_id, render_view_id, bridge_id));
 }
 
 void ChromeGeolocationPermissionContext::DecidePermission(
-    int render_process_id, int render_view_id, int bridge_id,
-    const GURL& requesting_frame, const GURL& embedder,
+    const GeolocationPermissionRequestID& id,
+    const GURL& requesting_frame,
+    const GURL& embedder,
     base::Callback<void(bool)> callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   ExtensionService* extension_service = profile_->GetExtensionService();
   if (extension_service) {
     const extensions::Extension* extension =
         extension_service->extensions()->GetExtensionOrAppByURL(
-            ExtensionURLInfo(
-                WebSecurityOrigin::createFromString(
-                    UTF8ToUTF16(requesting_frame.spec())),
-                requesting_frame));
+            ExtensionURLInfo(WebKit::WebSecurityOrigin::createFromString(
+                                 UTF8ToUTF16(requesting_frame.spec())),
+                             requesting_frame));
     if (extension &&
         extension->HasAPIPermission(extensions::APIPermission::kGeolocation)) {
       // Make sure the extension is in the calling process.
-      if (extension_service->process_map()->Contains(
-              extension->id(), render_process_id)) {
-        PermissionDecided(render_process_id, render_view_id, bridge_id,
-                          requesting_frame, embedder, callback, true);
+      if (extension_service->process_map()->Contains(extension->id(),
+                                                     id.render_process_id())) {
+        PermissionDecided(id, requesting_frame, embedder, callback, true);
         return;
       }
     }
   }
 
   ContentSetting content_setting =
      profile_->GetHostContentSettingsMap()->GetContentSetting(
-          requesting_frame,
-          embedder,
-          CONTENT_SETTINGS_TYPE_GEOLOCATION,
+          requesting_frame, embedder, CONTENT_SETTINGS_TYPE_GEOLOCATION,
           std::string());
   switch (content_setting) {
     case CONTENT_SETTING_BLOCK:
-      PermissionDecided(render_process_id, render_view_id, bridge_id,
-                        requesting_frame, embedder, callback, false);
+      PermissionDecided(id, requesting_frame, embedder, callback, false);
       break;
     case CONTENT_SETTING_ALLOW:
-      PermissionDecided(render_process_id, render_view_id, bridge_id,
-                        requesting_frame, embedder, callback, true);
+      PermissionDecided(id, requesting_frame, embedder, callback, true);
       break;
     default:
       // setting == ask. Prompt the user.
       QueueController()->CreateInfoBarRequest(
-          render_process_id, render_view_id, bridge_id, requesting_frame,
-          embedder, base::Bind(
+          id, requesting_frame, embedder, base::Bind(
               &ChromeGeolocationPermissionContext::NotifyPermissionSet,
-              base::Unretained(this),
-              render_process_id, render_view_id, bridge_id, requesting_frame,
-              callback));
+              base::Unretained(this), id, requesting_frame, callback));
   }
 }
 
 void ChromeGeolocationPermissionContext::PermissionDecided(
-    int render_process_id,
-    int render_view_id,
-    int bridge_id,
+    const GeolocationPermissionRequestID& id,
     const GURL& requesting_frame,
     const GURL& embedder,
     base::Callback<void(bool)> callback,
     bool allowed) {
-  NotifyPermissionSet(render_process_id, render_view_id, bridge_id,
-                      requesting_frame, callback, allowed);
+  NotifyPermissionSet(id, requesting_frame, callback, allowed);
 }
 
 void ChromeGeolocationPermissionContext::NotifyPermissionSet(
-    int render_process_id,
-    int render_view_id,
-    int bridge_id,
+    const GeolocationPermissionRequestID& id,
     const GURL& requesting_frame,
     base::Callback<void(bool)> callback,
     bool allowed) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   // WebContents may have gone away (or not exists for extension).
   TabSpecificContentSettings* content_settings =
-      TabSpecificContentSettings::Get(render_process_id, render_view_id);
+      TabSpecificContentSettings::Get(id.render_process_id(),
+                                      id.render_view_id());
   if (content_settings) {
     content_settings->OnGeolocationPermissionSet(requesting_frame.GetOrigin(),
                                                  allowed);
   }
 
   callback.Run(allowed);
 }
 
 GeolocationInfoBarQueueController*
 ChromeGeolocationPermissionContext::QueueController() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (!geolocation_infobar_queue_controller_)
     geolocation_infobar_queue_controller_.reset(CreateQueueController());
   return geolocation_infobar_queue_controller_.get();
 }
 
 GeolocationInfoBarQueueController*
 ChromeGeolocationPermissionContext::CreateQueueController() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   return new GeolocationInfoBarQueueController(profile());
 }
 
 void ChromeGeolocationPermissionContext::CancelPendingInfoBarRequest(
-    int render_process_id,
-    int render_view_id,
-    int bridge_id) {
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
+    const GeolocationPermissionRequestID& id) {
+  if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
+    content::BrowserThread::PostTask(
+        content::BrowserThread::UI, FROM_HERE,
         base::Bind(
             &ChromeGeolocationPermissionContext::CancelPendingInfoBarRequest,
-            this, render_process_id, render_view_id, bridge_id));
+            this, id));
      return;
   }
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  QueueController()->CancelInfoBarRequest(
-      render_process_id,
-      render_view_id,
-      bridge_id);
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  QueueController()->CancelInfoBarRequest(id);
 }