Plugin Power Saver: Throttle 'large' plugins that appear small.

chrome/renderer/plugins/chrome_plugin_placeholder.cc

 // Copyright 2013 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/plugins/chrome_plugin_placeholder.h"
 
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/prerender_messages.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "chrome/renderer/custom_menu_commands.h"
 #include "chrome/renderer/plugins/plugin_uma.h"
 #include "content/app/strings/grit/content_strings.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/jstemplate_builder.h"
+#include "ui/gfx/geometry/size.h"
 #include "url/url_util.h"
 
 using base::UserMetricsAction;
 using blink::WebDocument;
 using blink::WebElement;
 using blink::WebFrame;
 using blink::WebLocalFrame;
 using blink::WebMouseEvent;
 using blink::WebNode;
 using blink::WebPlugin;
@@ skipping 96 matching lines @@
 // static
 ChromePluginPlaceholder* ChromePluginPlaceholder::CreateBlockedPlugin(
     content::RenderFrame* render_frame,
     WebLocalFrame* frame,
     const WebPluginParams& params,
     const content::WebPluginInfo& info,
     const std::string& identifier,
     const base::string16& name,
     int template_id,
     const base::string16& message,
-    const std::string& poster_attribute,
-    const GURL& base_url) {
+    const PlaceholderPosterInfo& poster_info) {
   base::DictionaryValue values;
   values.SetString("message", message);
   values.SetString("name", name);
   values.SetString("hide", l10n_util::GetStringUTF8(IDS_PLUGIN_HIDE));
 
-  if (!poster_attribute.empty()) {
-    values.SetString("poster", poster_attribute);
-    values.SetString("baseurl", base_url.spec());
+  if (!poster_info.poster_attribute.empty()) {
+    values.SetString("poster", poster_info.poster_attribute);
+    values.SetString("baseurl", poster_info.base_url.spec());
+
+    if (!poster_info.custom_poster_size.IsEmpty()) {
+      values.SetString(
+          "visibleWidth",
+          base::Int64ToString(poster_info.custom_poster_size.width()) + "px");

[Lei Zhang, 2015/04/01 19:18:35]

Why not just base::IntToString()?

[tommycli, 2015/04/01 19:33:20]

Done.

+      values.SetString(
+          "visibleHeight",
+          base::Int64ToString(poster_info.custom_poster_size.height()) + "px");
+    }
   }
 
   const base::StringPiece template_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(template_id));
 
   DCHECK(!template_html.empty()) << "unable to load template. ID: "
                                  << template_id;
   std::string html_data = webui::GetI18nTemplateHtml(template_html, &values);
 
   // |blocked_plugin| will destroy itself when its WebViewPlugin is going away.
   ChromePluginPlaceholder* blocked_plugin = new ChromePluginPlaceholder(
       render_frame, frame, params, html_data, name);
 
 #if defined(ENABLE_PLUGINS)
-  if (!poster_attribute.empty())
+  if (!poster_info.poster_attribute.empty())
     blocked_plugin->BlockForPowerSaverPoster();
 #endif
   blocked_plugin->SetPluginInfo(info);
   blocked_plugin->SetIdentifier(identifier);
   return blocked_plugin;
 }
 
 void ChromePluginPlaceholder::SetStatus(
     const ChromeViewHostMsg_GetPluginInfo_Status& status) {
   status_->value = status.value;
@@ skipping 186 matching lines @@
   v8::Handle<v8::Object> global = context->Global();
   global->Set(gin::StringToV8(isolate, "plugin"),
               gin::CreateHandle(isolate, this).ToV8());
 }
 
 gin::ObjectTemplateBuilder ChromePluginPlaceholder::GetObjectTemplateBuilder(
     v8::Isolate* isolate) {
   return LoadablePluginPlaceholder::GetObjectTemplateBuilder(isolate).SetMethod(
       "openAboutPlugins", &ChromePluginPlaceholder::OpenAboutPluginsCallback);
 }