Enabling autoplay and fullscreen for downloaded media

chrome/browser/android/tab_android.cc

Index: chrome/browser/android/tab_android.cc
diff --git a/chrome/browser/android/tab_android.cc b/chrome/browser/android/tab_android.cc
index 1eb487d3245864a136d75eeaefb1cb61c2b6f049..741fbae492b5bf55c903a81620471e5f3402dddd 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -73,6 +73,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/browser_controls_state.h"
 #include "content/public/common/resource_request_body.h"
+#include "content/public/common/web_preferences.h"
 #include "jni/Tab_jni.h"
 #include "net/base/escape.h"
 #include "skia/ext/image_operations.h"
@@ -716,6 +717,22 @@ bool TabAndroid::HasPrerenderedUrl(JNIEnv* env,
   return HasPrerenderedUrl(gurl);
 }
 
+void TabAndroid::EnableEmbeddedMediaExperience(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& obj,
+    jboolean enabled) {
+  embedded_media_experience_enabled_ = enabled;
+
+  if (!web_contents() || !web_contents()->GetRenderViewHost())
+    return;
+
+  web_contents()->GetRenderViewHost()->OnWebkitPreferencesChanged();
+}
+
+bool TabAndroid::ShouldEnableEmbeddedMediaExperience() {
+  return embedded_media_experience_enabled_;
+}
+
 namespace {
 
 class ChromeInterceptNavigationDelegate : public InterceptNavigationDelegate {