Remove DeviceManager and DeviceInfo.

webrtc/api/api.gyp

Index: webrtc/api/api.gyp
diff --git a/webrtc/api/api.gyp b/webrtc/api/api.gyp
index 4fe8ce845884faf8014450b9431e77a9ef45b03b..c653e889df3f3e2f5278a2825a68533ca7a92bf2 100644
--- a/webrtc/api/api.gyp
+++ b/webrtc/api/api.gyp
@@ -337,6 +337,17 @@
             '-Wno-maybe-uninitialized',  # Only exists for GCC.
           ],
         }],
+        # TODO(solenberg): Doesn't work adding the flag to 'rtc_api_objc'. Why?

[tkchin_webrtc, 2016/03/02 21:13:37]

try sticking it in an all_dependent_settings block like what the ios bits are
doing with opengles

[the sun, 2016/03/03 20:00:14]

I didn't realize there were two targets with very similar lists of files:
rtc_api_objc and libjingle_peerconnection_objc that both needed the OpenGL
framework. Fixed now.

+        # See https://bugs.chromium.org/p/webrtc/issues/detail?id=5620
+        ['OS=="mac"', {
+          'link_settings': {
+            'xcode_settings': {
+              'OTHER_LDFLAGS': [
+                '-framework OpenGL',
+              ],
+            },
+          },
+        }],
         ['OS=="win"', {
           # Disable warning for signed/unsigned mismatch.
           'msvs_settings': {