Reland of "Convert Widevine and Android platform key systems to KeySystemProperties" with fix

chrome/renderer/chrome_content_renderer_client.h

Index: chrome/renderer/chrome_content_renderer_client.h
diff --git a/chrome/renderer/chrome_content_renderer_client.h b/chrome/renderer/chrome_content_renderer_client.h
index aa3c85932605f100162c24fc93ad45e36d1ef09d..4ab17cd54f2f1ef89baff11790552e06cf740be8 100644
--- a/chrome/renderer/chrome_content_renderer_client.h
+++ b/chrome/renderer/chrome_content_renderer_client.h
@@ -130,6 +130,9 @@ class ChromeContentRendererClient : public content::ContentRendererClient {
                                          blink::WebFrame* frame) override;
   bool AllowPepperMediaStreamAPI(const GURL& url) override;
   void AddKeySystems(std::vector<media::KeySystemInfo>* key_systems) override;
+  void AddSupportedKeySystems(
+      std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems)
+      override;
   bool IsPluginAllowedToUseDevChannelAPIs() override;
   bool IsPluginAllowedToUseCameraDeviceAPI(const GURL& url) override;
   bool IsPluginAllowedToUseCompositorAPI(const GURL& url) override;