Convert channel counts to size_t.

webrtc/modules/audio_processing/processing_component.cc

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 37 matching lines @@
     enabled_ = enable;
   }
 
   return AudioProcessing::kNoError;
 }
 
 bool ProcessingComponent::is_component_enabled() const {
   return enabled_;
 }
 
-void* ProcessingComponent::handle(int index) const {
+void* ProcessingComponent::handle(size_t index) const {
   assert(index < num_handles_);
   return handles_[index];
 }
 
-int ProcessingComponent::num_handles() const {
+size_t ProcessingComponent::num_handles() const {
   return num_handles_;
 }
 
 int ProcessingComponent::Initialize() {
   if (!enabled_) {
     return AudioProcessing::kNoError;
   }
 
   num_handles_ = num_handles_required();
-  if (num_handles_ > static_cast<int>(handles_.size())) {
+  if (num_handles_ > handles_.size()) {
     handles_.resize(num_handles_, NULL);
   }
 
-  assert(static_cast<int>(handles_.size()) >= num_handles_);
-  for (int i = 0; i < num_handles_; i++) {
+  assert(handles_.size() >= num_handles_);
+  for (size_t i = 0; i < num_handles_; i++) {
     if (handles_[i] == NULL) {
       handles_[i] = CreateHandle();
       if (handles_[i] == NULL) {
         return AudioProcessing::kCreationFailedError;
       }
     }
 
     int err = InitializeHandle(handles_[i]);
     if (err != AudioProcessing::kNoError) {
       return GetHandleError(handles_[i]);
     }
   }
 
   initialized_ = true;
   return Configure();
 }
 
 int ProcessingComponent::Configure() {
   if (!initialized_) {
     return AudioProcessing::kNoError;
   }
 
-  assert(static_cast<int>(handles_.size()) >= num_handles_);
-  for (int i = 0; i < num_handles_; i++) {
+  assert(handles_.size() >= num_handles_);
+  for (size_t i = 0; i < num_handles_; i++) {
     int err = ConfigureHandle(handles_[i]);
     if (err != AudioProcessing::kNoError) {
       return GetHandleError(handles_[i]);
     }
   }
 
   return AudioProcessing::kNoError;
 }
 }  // namespace webrtc