Reland of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/Common/helpers.mm

Index: webrtc/sdk/objc/Framework/Classes/Common/helpers.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/helpers.mm b/webrtc/sdk/objc/Framework/Classes/Common/helpers.mm
similarity index 94%
rename from webrtc/sdk/objc/Framework/Classes/helpers.mm
rename to webrtc/sdk/objc/Framework/Classes/Common/helpers.mm
index c0e5f1ed79ec113846e5016f7ecfcc94115b8483..fef75a5293a90966419b684ded8c06147cf80d5c 100644
--- a/webrtc/sdk/objc/Framework/Classes/helpers.mm
+++ b/webrtc/sdk/objc/Framework/Classes/Common/helpers.mm
@@ -9,7 +9,6 @@
  */
 
 
-#import <AVFoundation/AVFoundation.h>
 #import <Foundation/Foundation.h>
 #import <sys/sysctl.h>
 #if defined(WEBRTC_IOS)
@@ -20,7 +19,7 @@
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
-#include "webrtc/sdk/objc/Framework/Classes/helpers.h"
+#include "webrtc/sdk/objc/Framework/Classes/Common/helpers.h"
 
 namespace webrtc {
 namespace ios {
@@ -65,11 +64,6 @@ std::string GetCurrentThreadDescription() {
 }
 
 #if defined(WEBRTC_IOS)
-std::string GetAudioSessionCategory() {
-  NSString* category = [[AVAudioSession sharedInstance] category];
-  return StdStringFromNSString(category);
-}
-
 std::string GetSystemName() {
   NSString* osName = [[UIDevice currentDevice] systemName];
   return StdStringFromNSString(osName);