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

talk/app/webrtc/videosource.cc

Index: talk/app/webrtc/videosource.cc
diff --git a/talk/app/webrtc/videosource.cc b/talk/app/webrtc/videosource.cc
index af5f628490dc985709922155e8413b59a590b3d3..b33f5f9e13e904b548fc2770f25d78e25e6327f3 100644
--- a/talk/app/webrtc/videosource.cc
+++ b/talk/app/webrtc/videosource.cc
@@ -250,10 +250,10 @@ const cricket::VideoFormat& GetBestCaptureFormat(
   std::vector<cricket::VideoFormat>::const_iterator it = formats.begin();
   std::vector<cricket::VideoFormat>::const_iterator best_it = formats.begin();
   int best_diff_area = std::abs(default_area - it->width * it->height);
-  int64 best_diff_interval = kDefaultFormat.interval;
+  int64_t best_diff_interval = kDefaultFormat.interval;
   for (; it != formats.end(); ++it) {
     int diff_area = std::abs(default_area - it->width * it->height);
-    int64 diff_interval = std::abs(kDefaultFormat.interval - it->interval);
+    int64_t diff_interval = std::abs(kDefaultFormat.interval - it->interval);
     if (diff_area < best_diff_area ||
         (diff_area == best_diff_area && diff_interval < best_diff_interval)) {
       best_diff_area = diff_area;