diff --git a/webrtc/modules/desktop_capture/BUILD.gn b/webrtc/modules/desktop_capture/BUILD.gn
index 59c317942d..b0297e96d6 100644
--- a/webrtc/modules/desktop_capture/BUILD.gn
+++ b/webrtc/modules/desktop_capture/BUILD.gn
@@ -203,8 +203,8 @@ rtc_static_library("desktop_capture") {
     "mouse_cursor_monitor.h",
     "mouse_cursor_monitor_mac.mm",
     "mouse_cursor_monitor_win.cc",
-    "resolution_change_detector.cc",
-    "resolution_change_detector.h",
+    "resolution_tracker.cc",
+    "resolution_tracker.h",
     "rgba_color.cc",
     "rgba_color.h",
     "screen_capture_frame_queue.h",
diff --git a/webrtc/modules/desktop_capture/resolution_change_detector.cc b/webrtc/modules/desktop_capture/resolution_tracker.cc
similarity index 70%
rename from webrtc/modules/desktop_capture/resolution_change_detector.cc
rename to webrtc/modules/desktop_capture/resolution_tracker.cc
index f61a5352fb..326e47460a 100644
--- a/webrtc/modules/desktop_capture/resolution_change_detector.cc
+++ b/webrtc/modules/desktop_capture/resolution_tracker.cc
@@ -8,21 +8,26 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/desktop_capture/resolution_change_detector.h"
+#include "webrtc/modules/desktop_capture/resolution_tracker.h"
 
 namespace webrtc {
 
-bool ResolutionChangeDetector::IsChanged(DesktopSize size) {
+bool ResolutionTracker::SetResolution(DesktopSize size) {
   if (!initialized_) {
     initialized_ = true;
     last_size_ = size;
     return false;
   }
 
-  return !last_size_.equals(size);
+  if (last_size_.equals(size)) {
+    return false;
+  }
+
+  last_size_ = size;
+  return true;
 }
 
-void ResolutionChangeDetector::Reset() {
+void ResolutionTracker::Reset() {
   initialized_ = false;
 }
 
diff --git a/webrtc/modules/desktop_capture/resolution_change_detector.h b/webrtc/modules/desktop_capture/resolution_tracker.h
similarity index 57%
rename from webrtc/modules/desktop_capture/resolution_change_detector.h
rename to webrtc/modules/desktop_capture/resolution_tracker.h
index f82c3900a1..243333d053 100644
--- a/webrtc/modules/desktop_capture/resolution_change_detector.h
+++ b/webrtc/modules/desktop_capture/resolution_tracker.h
@@ -8,19 +8,18 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_CHANGE_DETECTOR_H_
-#define WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_CHANGE_DETECTOR_H_
+#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_
+#define WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_
 
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
 
 namespace webrtc {
 
-class ResolutionChangeDetector {
+class ResolutionTracker final {
  public:
-  // Checks whether the |size| has been changed comparing to the |size| passed
-  // in during last IsChanged() call. This function won't return false for the
-  // first time after construction or Reset() call.
-  bool IsChanged(DesktopSize size);
+  // Sets the resolution to |size|. Returns true if a previous size was recorded
+  // and differs from |size|.
+  bool SetResolution(DesktopSize size);
 
   // Resets to the initial state.
   void Reset();
@@ -32,4 +31,4 @@ class ResolutionChangeDetector {
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_CHANGE_DETECTOR_H_
+#endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_RESOLUTION_TRACKER_H_
diff --git a/webrtc/modules/desktop_capture/win/display_configuration_monitor.h b/webrtc/modules/desktop_capture/win/display_configuration_monitor.h
index d13b45ed35..0937c33815 100644
--- a/webrtc/modules/desktop_capture/win/display_configuration_monitor.h
+++ b/webrtc/modules/desktop_capture/win/display_configuration_monitor.h
@@ -21,7 +21,7 @@ namespace webrtc {
 class DisplayConfigurationMonitor {
  public:
   // Checks whether the change of display configuration has happened after last
-  // IsChanged() call. This function won't return false for the first time after
+  // IsChanged() call. This function won't return true for the first time after
   // constructor or Reset() call.
   bool IsChanged();
 
diff --git a/webrtc/modules/desktop_capture/win/dxgi_frame.cc b/webrtc/modules/desktop_capture/win/dxgi_frame.cc
index 5213f9059e..884c63aec8 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_frame.cc
+++ b/webrtc/modules/desktop_capture/win/dxgi_frame.cc
@@ -33,10 +33,10 @@ bool DxgiFrame::Prepare(DesktopSize size, DesktopCapturer::SourceId source_id) {
     context_.Reset();
   }
 
-  if (resolution_change_detector_.IsChanged(size)) {
+  if (resolution_tracker_.SetResolution(size)) {
     // Once the output size changed, recreate the SharedDesktopFrame.
     frame_.reset();
-    resolution_change_detector_.Reset();
+    resolution_tracker_.Reset();
   }
 
   if (!frame_) {
diff --git a/webrtc/modules/desktop_capture/win/dxgi_frame.h b/webrtc/modules/desktop_capture/win/dxgi_frame.h
index e31c5b8b36..236ae48011 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_frame.h
+++ b/webrtc/modules/desktop_capture/win/dxgi_frame.h
@@ -17,7 +17,7 @@
 #include "webrtc/modules/desktop_capture/desktop_capturer.h"
 #include "webrtc/modules/desktop_capture/desktop_capture_types.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
-#include "webrtc/modules/desktop_capture/resolution_change_detector.h"
+#include "webrtc/modules/desktop_capture/resolution_tracker.h"
 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
 #include "webrtc/modules/desktop_capture/shared_memory.h"
 #include "webrtc/modules/desktop_capture/win/dxgi_context.h"
@@ -52,7 +52,7 @@ class DxgiFrame final {
   Context* context();
 
   SharedMemoryFactory* const factory_;
-  ResolutionChangeDetector resolution_change_detector_;
+  ResolutionTracker resolution_tracker_;
   DesktopCapturer::SourceId source_id_ = kFullDesktopScreenId;
   std::unique_ptr<SharedDesktopFrame> frame_;
   Context context_;
diff --git a/webrtc/modules/desktop_capture/win/dxgi_texture.cc b/webrtc/modules/desktop_capture/win/dxgi_texture.cc
index 60f181bc93..6c19ee0932 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_texture.cc
+++ b/webrtc/modules/desktop_capture/win/dxgi_texture.cc
@@ -57,7 +57,7 @@ bool DxgiTexture::CopyFrom(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
   D3D11_TEXTURE2D_DESC desc = {0};
   texture->GetDesc(&desc);
   desktop_size_.set(desc.Width, desc.Height);
-  if (resolution_change_detector_.IsChanged(desktop_size_)) {
+  if (resolution_tracker_.SetResolution(desktop_size_)) {
     LOG(LS_ERROR) << "Texture size is not consistent with current DxgiTexture.";
     return false;
   }
diff --git a/webrtc/modules/desktop_capture/win/dxgi_texture.h b/webrtc/modules/desktop_capture/win/dxgi_texture.h
index 6f3e29b07f..c2b0db4c9e 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_texture.h
+++ b/webrtc/modules/desktop_capture/win/dxgi_texture.h
@@ -18,7 +18,7 @@
 
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
-#include "webrtc/modules/desktop_capture/resolution_change_detector.h"
+#include "webrtc/modules/desktop_capture/resolution_tracker.h"
 
 namespace webrtc {
 
@@ -67,7 +67,7 @@ class DxgiTexture {
   DXGI_MAPPED_RECT rect_ = {0};
   DesktopSize desktop_size_;
   std::unique_ptr<DesktopFrame> frame_;
-  ResolutionChangeDetector resolution_change_detector_;
+  ResolutionTracker resolution_tracker_;
 };
 
 }  // namespace webrtc