Replace NULL with nullptr in all C++ files.

webrtc/test/win/d3d_renderer.cc

Index: webrtc/test/win/d3d_renderer.cc
diff --git a/webrtc/test/win/d3d_renderer.cc b/webrtc/test/win/d3d_renderer.cc
index 7c344ba0b3b0d165864e5d1c1c139884a06b4791..b942d31023a9571669f79c349276b448e884d9df 100644
--- a/webrtc/test/win/d3d_renderer.cc
+++ b/webrtc/test/win/d3d_renderer.cc
@@ -33,11 +33,11 @@ VideoRenderer* VideoRenderer::CreatePlatformRenderer(const char* window_title,
 D3dRenderer::D3dRenderer(size_t width, size_t height)
     : width_(width),
       height_(height),
-      hwnd_(NULL),
-      d3d_(NULL),
-      d3d_device_(NULL),
-      texture_(NULL),
-      vertex_buffer_(NULL) {
+      hwnd_(nullptr),
+      d3d_(nullptr),
+      d3d_device_(nullptr),
+      texture_(nullptr),
+      vertex_buffer_(nullptr) {
   RTC_DCHECK_GT(width, 0);
   RTC_DCHECK_GT(height, 0);
 }
@@ -55,38 +55,30 @@ LRESULT WINAPI D3dRenderer::WindowProc(HWND hwnd, UINT msg, WPARAM wparam,
 }
 
 void D3dRenderer::Destroy() {
-  texture_ = NULL;
-  vertex_buffer_ = NULL;
-  d3d_device_ = NULL;
-  d3d_ = NULL;
+  texture_ = nullptr;
+  vertex_buffer_ = nullptr;
+  d3d_device_ = nullptr;
+  d3d_ = nullptr;
 
-  if (hwnd_ != NULL) {
+  if (hwnd_ != nullptr) {
     DestroyWindow(hwnd_);
     RTC_DCHECK(!IsWindow(hwnd_));
-    hwnd_ = NULL;
+    hwnd_ = nullptr;
   }
 }
 
 bool D3dRenderer::Init(const char* window_title) {
-  hwnd_ = CreateWindowA(kD3DClassName,
-                        window_title,
-                        WS_OVERLAPPEDWINDOW,
-                        0,
-                        0,
-                        static_cast<int>(width_),
-                        static_cast<int>(height_),
-                        NULL,
-                        NULL,
-                        NULL,
-                        NULL);
-
-  if (hwnd_ == NULL) {
+  hwnd_ = CreateWindowA(kD3DClassName, window_title, WS_OVERLAPPEDWINDOW, 0, 0,
+                        static_cast<int>(width_), static_cast<int>(height_),
+                        nullptr, nullptr, nullptr, nullptr);
+
+  if (hwnd_ == nullptr) {
     Destroy();
     return false;
   }
 
   d3d_ = Direct3DCreate9(D3D_SDK_VERSION);
-  if (d3d_ == NULL) {
+  if (d3d_ == nullptr) {
     Destroy();
     return false;
   }
@@ -112,11 +104,8 @@ bool D3dRenderer::Init(const char* window_title) {
   IDirect3DVertexBuffer9* vertex_buffer;
   const int kRectVertices = 4;
   if (d3d_device_->CreateVertexBuffer(kRectVertices * sizeof(D3dCustomVertex),
-                                      0,
-                                      D3DFVF_CUSTOMVERTEX,
-                                      D3DPOOL_MANAGED,
-                                      &vertex_buffer,
-                                      NULL) != D3D_OK) {
+                                      0, D3DFVF_CUSTOMVERTEX, D3DPOOL_MANAGED,
+                                      &vertex_buffer, nullptr) != D3D_OK) {
     Destroy();
     return false;
   }
@@ -128,7 +117,7 @@ bool D3dRenderer::Init(const char* window_title) {
   Resize(width_, height_);
 
   ShowWindow(hwnd_, SW_SHOWNOACTIVATE);
-  d3d_device_->Present(NULL, NULL, NULL, NULL);
+  d3d_device_->Present(nullptr, nullptr, nullptr, nullptr);
 
   return true;
 }
@@ -142,7 +131,7 @@ D3dRenderer* D3dRenderer::Create(const char* window_title,
 
     wc.style = CS_HREDRAW | CS_VREDRAW;
     wc.lpfnWndProc = WindowProc;
-    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+    wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
     wc.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW);
     wc.lpszClassName = kD3DClassName;
 
@@ -154,7 +143,7 @@ D3dRenderer* D3dRenderer::Create(const char* window_title,
   D3dRenderer* d3d_renderer = new D3dRenderer(width, height);
   if (!d3d_renderer->Init(window_title)) {
     delete d3d_renderer;
-    return NULL;
+    return nullptr;
   }
 
   return d3d_renderer;
@@ -166,13 +155,8 @@ void D3dRenderer::Resize(size_t width, size_t height) {
   IDirect3DTexture9* texture;
 
   d3d_device_->CreateTexture(static_cast<UINT>(width_),
-                             static_cast<UINT>(height_),
-                             1,
-                             0,
-                             D3DFMT_A8R8G8B8,
-                             D3DPOOL_MANAGED,
-                             &texture,
-                             NULL);
+                             static_cast<UINT>(height_), 1, 0, D3DFMT_A8R8G8B8,
+                             D3DPOOL_MANAGED, &texture, nullptr);
   texture_ = texture;
   texture->Release();
 
@@ -200,7 +184,7 @@ void D3dRenderer::OnFrame(const webrtc::VideoFrame& frame) {
   }
 
   D3DLOCKED_RECT lock_rect;
-  if (texture_->LockRect(0, &lock_rect, NULL, 0) != D3D_OK)
+  if (texture_->LockRect(0, &lock_rect, nullptr, 0) != D3D_OK)
     return;
 
   ConvertFromI420(frame, kARGB, 0, static_cast<uint8_t*>(lock_rect.pBits));
@@ -213,7 +197,7 @@ void D3dRenderer::OnFrame(const webrtc::VideoFrame& frame) {
   d3d_device_->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
   d3d_device_->EndScene();
 
-  d3d_device_->Present(NULL, NULL, NULL, NULL);
+  d3d_device_->Present(nullptr, nullptr, nullptr, nullptr);
 }
 }  // namespace test
 }  // namespace webrtc