media: Use bundled Widevine CDM in encrypted media browser tests

chrome/browser/content_settings/content_settings_browsertest.cc

Index: chrome/browser/content_settings/content_settings_browsertest.cc
diff --git a/chrome/browser/content_settings/content_settings_browsertest.cc b/chrome/browser/content_settings/content_settings_browsertest.cc
index 5539dcf311b183f7632be9b37eea9669a1264863..63abcabcd3f5f8a70fe72eff3452d4b50dca4766 100644
--- a/chrome/browser/content_settings/content_settings_browsertest.cc
+++ b/chrome/browser/content_settings/content_settings_browsertest.cc
@@ -320,6 +320,9 @@ IN_PROC_BROWSER_TEST_F(ContentSettingsTest, RedirectCrossOrigin) {
 
 #if defined(ENABLE_PLUGINS)
 class PepperContentSettingsSpecialCasesTest : public ContentSettingsTest {
+ public:
+  PepperContentSettingsSpecialCasesTest() { enable_component_update(); }

[xhwang, 2016/05/20 05:35:36]

This just shows how this new method could be used. For now it doesn't have any
effect to the test (I think).

+
  protected:
   // Registers any CDM plugins not registered by default.
   void SetUpCommandLine(base::CommandLine* command_line) override {