Fix uses of /deep/ in trace viewer.

tracing/tracing/ui/extras/chrome/cc/picture_view.html

Index: tracing/tracing/ui/extras/chrome/cc/picture_view.html
diff --git a/tracing/tracing/ui/extras/chrome/cc/picture_view.html b/tracing/tracing/ui/extras/chrome/cc/picture_view.html
index fdf783a75324a92ea5e012307609220bafb6c539..2b36bfb940a7dfb6b9f3f3cab6d89fa37a2d2492 100644
--- a/tracing/tracing/ui/extras/chrome/cc/picture_view.html
+++ b/tracing/tracing/ui/extras/chrome/cc/picture_view.html
@@ -5,8 +5,6 @@ Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
-<link rel="stylesheet" href="/tracing/ui/extras/chrome/cc/picture_view.css">
-
 <link rel="import" href="/tracing/extras/chrome/cc/picture.html">
 <link rel="import" href="/tracing/ui/analysis/generic_object_view.html">
 <link rel="import" href="/tracing/ui/analysis/object_snapshot_view.html">
@@ -30,6 +28,10 @@ tr.exportTo('tr.ui.e.chrome.cc', function() {
     decorate() {
       Polymer.dom(this).classList.add(
           'tr-ui-e-chrome-cc-picture-snapshot-view');
+      this.style.display = 'flex';
+      this.style.flexGrow = 0;
+      this.style.flexShrink = 1;
+      this.style.flexBasis = 'auto';
       this.pictureDebugger_ = new tr.ui.e.chrome.cc.PictureDebugger();
       Polymer.dom(this).appendChild(this.pictureDebugger_);
     },