Plugin Power Saver: Add back 'Click to play' option as 4th for plugins.

chrome/renderer/chrome_content_renderer_client.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/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 669 matching lines @@
     ContentSettingsObserver* observer =
         ContentSettingsObserver::Get(render_frame);
 
     const ContentSettingsType content_type =
         ShouldUseJavaScriptSettingForPlugin(plugin) ?
             CONTENT_SETTINGS_TYPE_JAVASCRIPT :
             CONTENT_SETTINGS_TYPE_PLUGINS;
 
     if ((status_value ==
              ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized ||
+         status_value == ChromeViewHostMsg_GetPluginInfo_Status::kClickToPlay ||
          status_value == ChromeViewHostMsg_GetPluginInfo_Status::kBlocked) &&
         observer->IsPluginTemporarilyAllowed(identifier)) {
       status_value = ChromeViewHostMsg_GetPluginInfo_Status::kAllowed;
     }
 
+    // Allow full-screen plug-ins for left-click-to-play.
+    if (status_value == ChromeViewHostMsg_GetPluginInfo_Status::kClickToPlay &&
+        !frame->parent() && !frame->opener() &&
+        frame->document().isPluginDocument()) {
+      status_value = ChromeViewHostMsg_GetPluginInfo_Status::kAllowed;
+    }
+
 #if defined(ENABLE_PLUGINS)
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnablePluginPowerSaver)) {
       status_value =
           ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
     }
 #endif
 
 #if defined(OS_WIN)
     // In Windows we need to check if we can load NPAPI plugins.
@@ skipping 176 matching lines @@
         placeholder->set_allow_loading(true);
         if (plugin.type != content::WebPluginInfo::PLUGIN_TYPE_NPAPI) {
           render_frame->Send(new ChromeViewHostMsg_BlockedUnauthorizedPlugin(
               render_frame->GetRoutingID(),
               group_name,
               identifier));
         }
         observer->DidBlockContentType(content_type, group_name);
         break;
       }
+      case ChromeViewHostMsg_GetPluginInfo_Status::kClickToPlay: {
+        placeholder = create_blocked_plugin(
+            IDR_CLICK_TO_PLAY_PLUGIN_HTML,
+            l10n_util::GetStringFUTF16(IDS_PLUGIN_LOAD, group_name), GURL());
+        placeholder->set_allow_loading(true);
+        RenderThread::Get()->RecordAction(
+            UserMetricsAction("Plugin_ClickToPlay"));
+        observer->DidBlockContentType(content_type, group_name);
+        break;
+      }
       case ChromeViewHostMsg_GetPluginInfo_Status::kBlocked: {
         placeholder = create_blocked_plugin(
             IDR_BLOCKED_PLUGIN_HTML,
             l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name), GURL());
         placeholder->set_allow_loading(true);
         RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Blocked"));
         observer->DidBlockContentType(content_type, group_name);
         break;
       }
       case ChromeViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy: {
@@ skipping 675 matching lines @@
   if (mime_type == content::kBrowserPluginMimeType) {
     return new extensions::ExtensionsGuestViewContainer(render_frame);
   } else {
     return new extensions::MimeHandlerViewContainer(
         render_frame, mime_type, original_url);
   }
 #else
   return NULL;
 #endif
 }