Add UMA metrics for blocked plugins.

chrome/browser/ui/content_settings/content_setting_image_model_unittest.cc

 // Copyright (c) 2011 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/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/content_settings/content_setting_image_model.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
@@ skipping 20 matching lines @@
   TabSpecificContentSettings* content_settings =
       contents_wrapper()->content_settings();
   scoped_ptr<ContentSettingImageModel> content_setting_image_model(
      ContentSettingImageModel::CreateContentSettingImageModel(
          CONTENT_SETTINGS_TYPE_IMAGES));
   EXPECT_FALSE(content_setting_image_model->is_visible());
   EXPECT_EQ(0, content_setting_image_model->get_icon());
   EXPECT_TRUE(content_setting_image_model->get_tooltip().empty());
 
   content_settings->OnContentBlocked(CONTENT_SETTINGS_TYPE_IMAGES,
-                                     std::string());
+                                     std::string(), CONTENT_SETTING_BLOCK);
   content_setting_image_model->UpdateFromTabContents(contents());
 
   EXPECT_TRUE(content_setting_image_model->is_visible());
   EXPECT_NE(0, content_setting_image_model->get_icon());
   EXPECT_FALSE(content_setting_image_model->get_tooltip().empty());
 }
 
 TEST_F(ContentSettingImageModelTest, CookieAccessed) {
   TabSpecificContentSettings* content_settings =
       contents_wrapper()->content_settings();
   profile_->GetHostContentSettingsMap()->SetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_COOKIES, CONTENT_SETTING_BLOCK);
   scoped_ptr<ContentSettingImageModel> content_setting_image_model(
      ContentSettingImageModel::CreateContentSettingImageModel(
          CONTENT_SETTINGS_TYPE_COOKIES));
   EXPECT_FALSE(content_setting_image_model->is_visible());
   EXPECT_EQ(0, content_setting_image_model->get_icon());
   EXPECT_TRUE(content_setting_image_model->get_tooltip().empty());
 
   net::CookieOptions options;
   content_settings->OnCookieChanged(
       GURL("http://google.com"), "A=B", options, false);
   content_setting_image_model->UpdateFromTabContents(contents());
   EXPECT_TRUE(content_setting_image_model->is_visible());
   EXPECT_NE(0, content_setting_image_model->get_icon());
   EXPECT_FALSE(content_setting_image_model->get_tooltip().empty());
 }