Revert of RELAND: ImageCapture: Implement takePhoto() for Mac AVFoundation

media/base/mac/avfoundation_glue.h

Index: media/base/mac/avfoundation_glue.h
diff --git a/media/base/mac/avfoundation_glue.h b/media/base/mac/avfoundation_glue.h
index 4072b53874dd9302d2ad3310585d0f68a9f8c048..a5b430412fdcfe3da37983f4d41fcdf19bbb0451 100644
--- a/media/base/mac/avfoundation_glue.h
+++ b/media/base/mac/avfoundation_glue.h
@@ -2,9 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(mcasas): Remove this whole glue, https://crbug.com/579648. This glue was
-// introduced to support Mac OS X <= 10.6 where AVFoundation was not available,
-// and had to happen in runtime.
+// AVFoundation API is only introduced in Mac OS X > 10.6, and there is only one
+// build of Chromium, so the (potential) linking with AVFoundation has to happen
+// in runtime. For this to be clean, an AVFoundationGlue class is defined to try
+// and load these AVFoundation system libraries. If it succeeds, subsequent
+// clients can use AVFoundation via the rest of the classes declared in this
+// file.
 
 #ifndef MEDIA_BASE_MAC_AVFOUNDATION_GLUE_H_
 #define MEDIA_BASE_MAC_AVFOUNDATION_GLUE_H_
@@ -48,7 +51,6 @@
 
   static Class AVCaptureSessionClass();
   static Class AVCaptureVideoDataOutputClass();
-  static Class AVCaptureStillImageOutputClass();
 #endif  // defined(__OBJC__)
 
  private:
@@ -93,9 +95,6 @@
 
 MEDIA_EXPORT
 @interface CrAVCaptureOutput : NSObject  // Originally from AVCaptureOutput.h.
-
-- (NSArray*)connections;
-
 @end
 
 // Originally AVCaptureSession and coming from AVCaptureSession.h.
@@ -105,8 +104,6 @@
 - (void)release;
 - (void)addInput:(CrAVCaptureInput*)input;
 - (void)removeInput:(CrAVCaptureInput*)input;
-- (NSArray*)outputs;
-- (BOOL)canAddOutput:(CrAVCaptureOutput*)output;
 - (void)addOutput:(CrAVCaptureOutput*)output;
 - (void)removeOutput:(CrAVCaptureOutput*)output;
 - (BOOL)isRunning;
@@ -159,17 +156,6 @@
 
 @end
 
-// Originally AVCaptureStillImageOutput and coming from AVCaptureOutput.h.
-MEDIA_EXPORT
-@interface CrAVCaptureStillImageOutput : CrAVCaptureOutput
-
-typedef void (^CompletionHandler)(CoreMediaGlue::CMSampleBufferRef, NSError*);
-- (void)
-captureStillImageAsynchronouslyFromConnection:(CrAVCaptureConnection*)connection
-                            completionHandler:(CompletionHandler)handler;
-
-@end
-
 // Class to provide access to class methods of AVCaptureDevice.
 MEDIA_EXPORT
 @interface AVCaptureDeviceGlue : NSObject