Use suffixed {uint,int}{8,16,32,64}_t types.

talk/app/webrtc/objc/avfoundationvideocapturer.mm

Index: talk/app/webrtc/objc/avfoundationvideocapturer.mm
diff --git a/talk/app/webrtc/objc/avfoundationvideocapturer.mm b/talk/app/webrtc/objc/avfoundationvideocapturer.mm
index c47e36dc40930d784756d7364569e19bd6401f38..ef9942c6a10b51a42e9e4ed7c21f3cebe0fe5a36 100644
--- a/talk/app/webrtc/objc/avfoundationvideocapturer.mm
+++ b/talk/app/webrtc/objc/avfoundationvideocapturer.mm
@@ -416,13 +416,13 @@ void AVFoundationVideoCapturer::CaptureSampleBuffer(
       uvPlaneAddress == yPlaneAddress + yPlaneHeight * yPlaneBytesPerRow);
 
   // Stuff data into a cricket::CapturedFrame.
-  int64 currentTime = rtc::TimeNanos();
+  int64_t currentTime = rtc::TimeNanos();
   cricket::CapturedFrame frame;
   frame.width = yPlaneWidth;
   frame.height = yPlaneHeight;
   frame.pixel_width = 1;
   frame.pixel_height = 1;
-  frame.fourcc = static_cast<uint32>(cricket::FOURCC_NV12);
+  frame.fourcc = static_cast<uint32_t>(cricket::FOURCC_NV12);
   frame.time_stamp = currentTime;
   frame.elapsed_time = currentTime - _startTime;
   frame.data = yPlaneAddress;