Remove ignored return code from modules.

webrtc/modules/video_coding/video_receiver.cc

Index: webrtc/modules/video_coding/video_receiver.cc
diff --git a/webrtc/modules/video_coding/video_receiver.cc b/webrtc/modules/video_coding/video_receiver.cc
index 02d51a7b900f93dba9a11088a125d052a2f91ded..e7844d0add3aaf2c2f441043278f0264c27c6f76 100644
--- a/webrtc/modules/video_coding/video_receiver.cc
+++ b/webrtc/modules/video_coding/video_receiver.cc
@@ -63,9 +63,7 @@ VideoReceiver::~VideoReceiver() {
 #endif
 }
 
-int32_t VideoReceiver::Process() {
-  int32_t returnValue = VCM_OK;
-
+void VideoReceiver::Process() {
   // Receive-side statistics
   if (_receiveStatsTimer.TimeUntilProcess() == 0) {
     _receiveStatsTimer.Processed();
@@ -108,12 +106,8 @@ int32_t VideoReceiver::Process() {
       CriticalSectionScoped cs(process_crit_sect_.get());
       request_key_frame = _scheduleKeyRequest && _frameTypeCallback != NULL;
     }
-    if (request_key_frame) {
-      const int32_t ret = RequestKeyFrame();
-      if (ret != VCM_OK && returnValue == VCM_OK) {
-        returnValue = ret;
-      }
-    }
+    if (request_key_frame)
+      RequestKeyFrame();
   }
 
   // Packet retransmission requests
@@ -135,9 +129,6 @@ int32_t VideoReceiver::Process() {
       int32_t ret = VCM_OK;
       if (request_key_frame) {
         ret = RequestKeyFrame();
-        if (ret != VCM_OK && returnValue == VCM_OK) {
-          returnValue = ret;
-        }
       }
       if (ret == VCM_OK && !nackList.empty()) {
         CriticalSectionScoped cs(process_crit_sect_.get());
@@ -147,8 +138,6 @@ int32_t VideoReceiver::Process() {
       }
     }
   }
-
-  return returnValue;
 }
 
 int64_t VideoReceiver::TimeUntilNextProcess() {