Index: src/wp-includes/js/media/views/modal.js
===================================================================
--- src/wp-includes/js/media/views/modal.js	(revision 42442)
+++ src/wp-includes/js/media/views/modal.js	(working copy)
@@ -17,10 +17,6 @@
 	tagName:  'div',
 	template: wp.template('media-modal'),
 
-	attributes: {
-		tabindex: 0
-	},
-
 	events: {
 		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
 		'keydown': 'keydown'
@@ -32,8 +28,7 @@
 		_.defaults( this.options, {
 			container: document.body,
 			title:     '',
-			propagate: true,
-			freeze:    true
+			propagate: true
 		});
 
 		this.focusManager = new wp.media.view.FocusManager({
@@ -88,7 +83,6 @@
 	 */
 	open: function() {
 		var $el = this.$el,
-			options = this.options,
 			mceEditor;
 
 		if ( $el.is(':visible') ) {
@@ -101,13 +95,6 @@
 			this.attach();
 		}
 
-		// If the `freeze` option is set, record the window's scroll position.
-		if ( options.freeze ) {
-			this._freeze = {
-				scrollTop: $( window ).scrollTop()
-			};
-		}
-
 		// Disable page scrolling.
 		$( 'body' ).addClass( 'modal-open' );
 
@@ -125,7 +112,7 @@
 			}
 		}
 
-		this.$el.focus();
+		this.$el.find( '.media-modal' ).focus();
 
 		return this.propagate('open');
 	},
@@ -135,8 +122,6 @@
 	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
 	 */
 	close: function( options ) {
-		var freeze = this._freeze;
-
 		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
 			return this;
 		}
@@ -156,11 +141,6 @@
 
 		this.propagate('close');
 
-		// If the `freeze` option is set, restore the container's scroll position.
-		if ( freeze ) {
-			$( window ).scrollTop( freeze.scrollTop );
-		}
-
 		if ( options && options.escape ) {
 			this.propagate('escape');
 		}
Index: src/wp-includes/js/media-views.js
===================================================================
--- src/wp-includes/js/media-views.js	(revision 42442)
+++ src/wp-includes/js/media-views.js	(working copy)
@@ -4248,10 +4248,6 @@
 	tagName:  'div',
 	template: wp.template('media-modal'),
 
-	attributes: {
-		tabindex: 0
-	},
-
 	events: {
 		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
 		'keydown': 'keydown'
@@ -4263,8 +4259,7 @@
 		_.defaults( this.options, {
 			container: document.body,
 			title:     '',
-			propagate: true,
-			freeze:    true
+			propagate: true
 		});
 
 		this.focusManager = new wp.media.view.FocusManager({
@@ -4319,7 +4314,6 @@
 	 */
 	open: function() {
 		var $el = this.$el,
-			options = this.options,
 			mceEditor;
 
 		if ( $el.is(':visible') ) {
@@ -4332,13 +4326,6 @@
 			this.attach();
 		}
 
-		// If the `freeze` option is set, record the window's scroll position.
-		if ( options.freeze ) {
-			this._freeze = {
-				scrollTop: $( window ).scrollTop()
-			};
-		}
-
 		// Disable page scrolling.
 		$( 'body' ).addClass( 'modal-open' );
 
@@ -4356,7 +4343,7 @@
 			}
 		}
 
-		this.$el.focus();
+		this.$el.find( '.media-modal' ).focus();
 
 		return this.propagate('open');
 	},
@@ -4366,8 +4353,6 @@
 	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
 	 */
 	close: function( options ) {
-		var freeze = this._freeze;
-
 		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
 			return this;
 		}
@@ -4387,11 +4372,6 @@
 
 		this.propagate('close');
 
-		// If the `freeze` option is set, restore the container's scroll position.
-		if ( freeze ) {
-			$( window ).scrollTop( freeze.scrollTop );
-		}
-
 		if ( options && options.escape ) {
 			this.propagate('escape');
 		}
Index: src/wp-includes/media-template.php
===================================================================
--- src/wp-includes/media-template.php	(revision 42442)
+++ src/wp-includes/media-template.php	(working copy)
@@ -182,7 +182,7 @@
 	</script>
 
 	<script type="text/html" id="tmpl-media-modal">
-		<div class="<?php echo $class; ?>">
+		<div tabindex="0" class="<?php echo $class; ?>">
 			<button type="button" class="media-modal-close"><span class="media-modal-icon"><span class="screen-reader-text"><?php _e( 'Close media panel' ); ?></span></span></button>
 			<div class="media-modal-content"></div>
 		</div>