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..93d072b59c17894f71b09cea20432fcf24391e90 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -126,7 +126,8 @@ TabAndroid::TabAndroid(JNIEnv* env, const JavaRef<jobject>& obj)
     : weak_java_tab_(env, obj),
       content_layer_(cc::Layer::Create()),
       tab_content_manager_(NULL),
-      synced_tab_delegate_(new browser_sync::SyncedTabDelegateAndroid(this)) {
+      synced_tab_delegate_(new browser_sync::SyncedTabDelegateAndroid(this)),
+      embedded_media_experience_enabled_(false) {
   Java_Tab_setNativePtr(env, obj, reinterpret_cast<intptr_t>(this));
 }
 
@@ -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() const {
+  return embedded_media_experience_enabled_;
+}
+
 namespace {
 
 class ChromeInterceptNavigationDelegate : public InterceptNavigationDelegate {