Move talk/media to webrtc/media

webrtc/api/api.gyp

Index: webrtc/api/api.gyp
diff --git a/webrtc/api/api.gyp b/webrtc/api/api.gyp
index ba3fe8d0bd21b3e9a43222f33770082ae0683255..b3c8bf7263423da61764de753160247a8ebba35c 100644
--- a/webrtc/api/api.gyp
+++ b/webrtc/api/api.gyp
@@ -62,7 +62,17 @@
                     '-framework QuartzCore',
                   ]
                 }
-              }
+              },
+              # TODO(kjellander): Make the code compile without disabling these.

[kjellander_webrtc, 2016/01/20 21:12:17]

Without this I get:
../../webrtc/api/objc/RTCSessionDescription.mm:90:1: error: control may reach
end of non-void function [-Werror,-Wreturn-type]
}
^

I can't explain why this is needed now but not before, since this code hasn't
moved nor any of the headers it includes.

+              # See https://bugs.chromium.org/p/webrtc/issues/detail?id=3307
+              'cflags': [
+                '-Wno-return-type',
+              ],
+              'xcode_settings': {
+                'WARNING_CFLAGS': [
+                  '-Wno-return-type',
+                ],
+              },
             }],
             ['OS=="mac"', {
               'sources': [