Revert of H264 HW encode using MediaFoundation

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index df25a9fc9c3d4e68f589080b9f3ada63f2925af3..d2baca75f11f9f6ff6d8e16dac047c4131d87499 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -1723,8 +1723,6 @@
           'include_dirs': [ '..', ],
           'defines': [ 'MF_INITIALIZER_IMPLEMENTATION', ],
           'sources': [
-            'base/win/mf_helpers.cc',
-            'base/win/mf_helpers.h',
             'base/win/mf_initializer_export.h',
             'base/win/mf_initializer.cc',
             'base/win/mf_initializer.h',
@@ -2118,7 +2116,7 @@
         }
       ]
     }],
-    ['chromeos==1 or OS=="mac" or OS=="win"', {
+    ['chromeos==1 or OS=="mac"', {
       'targets': [
         {
           'target_name': 'video_encode_accelerator_unittest',
@@ -2148,11 +2146,6 @@
             ['OS=="mac"', {
               'dependencies': [
                 '../third_party/webrtc/common_video/common_video.gyp:common_video',
-              ],
-            }],
-            ['OS=="win"', {
-              'dependencies': [
-                '../media/media.gyp:mf_initializer',
               ],
             }],
             ['use_x11==1', {