media: Add helper function to register pepper CDMs

chrome/browser/content_settings/content_settings_browsertest.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 "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/cookie_settings_factory.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
+#include "chrome/browser/media/pepper_cdm_test_helper.h"
 #include "chrome/browser/net/url_request_mock_util.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/content_settings/core/browser/cookie_settings.h"
@@ skipping 286 matching lines @@
   content::WebContents* web_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
 
   EXPECT_TRUE(TabSpecificContentSettings::FromWebContents(web_contents)->
       IsContentBlocked(CONTENT_SETTINGS_TYPE_COOKIES));
 }
 
 #if defined(ENABLE_PLUGINS)
 class PepperContentSettingsSpecialCasesTest : public ContentSettingsTest {
  protected:
-  static const char kExternalClearKeyMimeType[];
-
   // Registers any CDM plugins not registered by default.
   void SetUpCommandLine(base::CommandLine* command_line) override {
 #if defined(ENABLE_PEPPER_CDMS)
-    // Base path for Clear Key CDM (relative to the chrome executable).
-    const char kClearKeyCdmBaseDirectory[] = "ClearKeyCdm";
-
-// Platform-specific filename relative to kClearKeyCdmBaseDirectory.
-#if defined(OS_WIN)
-    const char kClearKeyCdmAdapterFileName[] = "clearkeycdmadapter.dll";
-#else  // !defined(OS_WIN)
-#if defined(OS_MACOSX)
-    const char kClearKeyCdmAdapterFileName[] = "clearkeycdmadapter.plugin";
-#elif defined(OS_POSIX)
-    const char kClearKeyCdmAdapterFileName[] = "libclearkeycdmadapter.so";
-#endif  // defined(OS_MACOSX)
-#endif  // defined(OS_WIN)
-
     // Append the switch to register the External Clear Key CDM.
-    base::FilePath::StringType pepper_plugins = BuildPepperPluginRegistration(
-        kClearKeyCdmBaseDirectory, kClearKeyCdmAdapterFileName, "Clear Key CDM",
-        kExternalClearKeyMimeType);
+    base::FilePath::StringType pepper_plugins = BuildPepperCdmRegistration(
+        kClearKeyCdmBaseDirectory, kClearKeyCdmAdapterFileName,
+        kClearKeyCdmPluginMimeType);
 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
     // The CDM must be registered when it is a component.
     pepper_plugins.append(FILE_PATH_LITERAL(","));
-    pepper_plugins.append(BuildPepperPluginRegistration(
+    pepper_plugins.append(BuildPepperCdmRegistration(
         kWidevineCdmBaseDirectory, kWidevineCdmAdapterFileName,
-        kWidevineCdmDisplayName, kWidevineCdmPluginMimeType));
+        kWidevineCdmPluginMimeType));
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
     command_line->AppendSwitchNative(switches::kRegisterPepperPlugins,
                                      pepper_plugins);
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 #if !defined(DISABLE_NACL)
     // Ensure NaCl can run.
     command_line->AppendSwitch(switches::kEnableNaCl);
 #endif
   }
@@ skipping 65 matching lines @@
       // false, javascript_content_blocked_observer would never succeed.
       // There is no way to ensure blocked content would not have been reported
       // after the check below. For coverage of this scenario, we must rely on
       // the TitleWatcher adding sufficient delay most of the time.
     }
 
     EXPECT_EQ(expect_is_javascript_content_blocked,
               tab_settings->IsContentBlocked(CONTENT_SETTINGS_TYPE_JAVASCRIPT));
     EXPECT_FALSE(tab_settings->IsContentBlocked(CONTENT_SETTINGS_TYPE_PLUGINS));
   }
-
- private:
-  // Builds the string to pass to kRegisterPepperPlugins for a single
-  // plugin using the provided parameters and a dummy version.
-  // Multiple results may be passed to kRegisterPepperPlugins, separated by ",".
-  base::FilePath::StringType BuildPepperPluginRegistration(
-      const char* library_path,
-      const char* library_name,
-      const char* display_name,
-      const char* mime_type) {
-    base::FilePath plugin_dir;
-    EXPECT_TRUE(PathService::Get(base::DIR_MODULE, &plugin_dir));
-    plugin_dir = plugin_dir.AppendASCII(library_path);
-
-    base::FilePath plugin_lib = plugin_dir.AppendASCII(library_name);
-    EXPECT_TRUE(base::PathExists(plugin_lib));
-
-    base::FilePath::StringType pepper_plugin = plugin_lib.value();
-    std::string string_to_append = "#";
-    string_to_append.append(display_name);
-    string_to_append.append("#A CDM#0.1.0.0;");
-    string_to_append.append(mime_type);
-
-#if defined(OS_WIN)
-    pepper_plugin.append(base::ASCIIToUTF16(string_to_append));
-#else
-    pepper_plugin.append(string_to_append);
-#endif
-
-    return pepper_plugin;
-  }
 };
 
-const char
-PepperContentSettingsSpecialCasesTest::kExternalClearKeyMimeType[] =
-    "application/x-ppapi-clearkey-cdm";
-
 class PepperContentSettingsSpecialCasesPluginsBlockedTest
     : public PepperContentSettingsSpecialCasesTest {
  public:
   void SetUpOnMainThread() override {
     PepperContentSettingsSpecialCasesTest::SetUpOnMainThread();
     HostContentSettingsMapFactory::GetForProfile(browser()->profile())
         ->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_PLUGINS,
                                    CONTENT_SETTING_BLOCK);
   }
 };
@@ skipping 13 matching lines @@
 };
 
 #if defined(ENABLE_PEPPER_CDMS)
 // A sanity check to verify that the plugin that is used as a baseline below
 // can be loaded.
 IN_PROC_BROWSER_TEST_F(PepperContentSettingsSpecialCasesTest, Baseline) {
   HostContentSettingsMapFactory::GetForProfile(browser()->profile())
       ->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_PLUGINS,
                                  CONTENT_SETTING_ALLOW);
 
-  RunLoadPepperPluginTest(kExternalClearKeyMimeType, true);
+  RunLoadPepperPluginTest(kClearKeyCdmPluginMimeType, true);
 }
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 // The following tests verify that Pepper plugins that use JavaScript settings
 // instead of Plugins settings still work when Plugins are blocked.
 
 #if defined(ENABLE_PEPPER_CDMS)
 // The plugin successfully loaded above is blocked.
 IN_PROC_BROWSER_TEST_F(PepperContentSettingsSpecialCasesPluginsBlockedTest,
                        Normal) {
-  RunLoadPepperPluginTest(kExternalClearKeyMimeType, false);
+  RunLoadPepperPluginTest(kClearKeyCdmPluginMimeType, false);
 }
 
 #if defined(WIDEVINE_CDM_AVAILABLE) && !defined(OS_CHROMEOS)
 IN_PROC_BROWSER_TEST_F(PepperContentSettingsSpecialCasesPluginsBlockedTest,
                        WidevineCdm) {
   RunLoadPepperPluginTest(kWidevineCdmPluginMimeType, true);
 }
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && !defined(OS_CHROMEOS)
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
@@ skipping 23 matching lines @@
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 #if !defined(DISABLE_NACL)
 IN_PROC_BROWSER_TEST_F(PepperContentSettingsSpecialCasesJavaScriptBlockedTest,
                        NaCl) {
   RunJavaScriptBlockedTest("load_nacl_no_js.html", true);
 }
 #endif  // !defined(DISABLE_NACL)
 
 #endif  // defined(ENABLE_PLUGINS)