Define a new media_cast component for iOS cast builds

media/media.gyp

Index: media/media.gyp
diff --git a/media/media.gyp b/media/media.gyp
index e5fba8c99a9d7022a3304a811f7e2fc79bb1a2de..63902a8201db09701b69537fccbf62e14ca38da1 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -1484,6 +1484,56 @@
         }],
       ],
     },
+    {
+      # Minimal target for media/cast for clients that don't need all of media.
+      # GN version: //media:media_cast

[Alpha Left Google, 2014/09/17 23:59:27]

I don't think media_cast is the suitable name. This target seems to be only for
cast on ios. So maybe media_for_cast_ios?

+      'target_name': 'media_cast',

[miu, 2014/09/17 23:56:00]

The target name sounds like this is building the Cast library.  Perhaps it
should be named something like media_subset_for_cast.

+      'type': '<(component)',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../ui/gfx/gfx.gyp:gfx_geometry',
+      ],
+      'defines': [
+        'MEDIA_IMPLEMENTATION',
+        'MEDIA_CAST',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'includes': [
+        'shared_memory_support.gypi',
+      ],
+      'sources': [
+        '<@(shared_memory_support_sources)',
+        'base/mac/coremedia_glue.h',
+        'base/mac/coremedia_glue.mm',
+        'base/mac/corevideo_glue.h',
+        'base/mac/videotoolbox_glue.h',
+        'base/mac/videotoolbox_glue.mm',
+        'base/video_frame.cc',
+        'base/video_frame.h',
+      ],
+      'conditions': [
+        ['arm_neon==1', {
+          'defines': [
+            'USE_NEON'
+          ],
+        }],
+      ],  # conditions
+      'target_conditions': [
+        ['OS == "ios" and _toolset != "host"', {
+          'sources/': [
+            # Pull in specific Mac files for iOS (which have been filtered out
+            # by file name rules).
+            ['include', '^base/mac/coremedia_glue\\.h$'],
+            ['include', '^base/mac/coremedia_glue\\.mm$'],
+            ['include', '^base/mac/corevideo_glue\\.h$'],
+            ['include', '^base/mac/videotoolbox_glue\\.h$'],
+            ['include', '^base/mac/videotoolbox_glue\\.mm$'],
+          ],
+        }],
+      ],  # target_conditions
+    },
   ],
   'conditions': [
     ['target_arch!="arm"', {