Flip proprietary codecs to false for Android chromium builds.

components/dom_distiller/content/browser/distiller_page_web_contents_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/dom_distiller/content/browser/distiller_page_web_contents.h"
 
 #include <utility>
 
 #include "base/memory/weak_ptr.h"
 #include "base/path_service.h"
@@ skipping 232 matching lines @@
       shell()->web_contents()->GetContainerBounds().size(),
       scoped_ptr<SourcePageHandleWebContents>());
   distiller_page_ = &distiller_page;
 
   base::RunLoop run_loop;
   DistillPage(run_loop.QuitClosure(), kVideoArticlePath);
   run_loop.Run();
 
   // A relative source/track should've been updated.
   EXPECT_THAT(distiller_result_->distilled_content().html(),
-              ContainsRegex("src=\"http://127.0.0.1:.*/relative_video.mp4\""));
+              ContainsRegex("src=\"http://127.0.0.1:.*/relative_video.webm\""));
   EXPECT_THAT(
       distiller_result_->distilled_content().html(),
       ContainsRegex("src=\"http://127.0.0.1:.*/relative_track_en.vtt\""));
   EXPECT_THAT(distiller_result_->distilled_content().html(),
               HasSubstr("src=\"http://www.google.com/absolute_video.ogg\""));
   EXPECT_THAT(distiller_result_->distilled_content().html(),
               HasSubstr("src=\"http://www.google.com/absolute_track_fr.vtt\""));
 }
 
 IN_PROC_BROWSER_TEST_F(DistillerPageWebContentsTest, VisibilityDetection) {
@@ skipping 253 matching lines @@
   ASSERT_TRUE(js_result_);
   ASSERT_TRUE(js_result_->GetAsDictionary(&dict));
 
   ASSERT_TRUE(dict->HasKey("success"));
   bool success;
   ASSERT_TRUE(dict->GetBoolean("success", &success));
   EXPECT_TRUE(success);
 }
 
 }  // namespace dom_distiller