Remove redundant header and apply modernize-use-auto for the remaining.

Close #2256

Source/Urho3D/Input/Input.cpp

@@ -40,7 +40,6 @@
 
 #ifdef _WIN32
 #include "../Engine/Engine.h"
-#include "../Graphics/Renderer.h"
 #endif
 
 
@@ -147,7 +146,7 @@ MouseMode EmscriptenInput::invalidatedRequestedMouseMode_ = MM_INVALID;
 EmscriptenInput::EmscriptenInput(Input* inputInst) :
     inputInst_(inputInst)
 {
-    void* vInputInst = (void*)inputInst;
+    auto* vInputInst = (void*)inputInst;
 
     // Handle pointer lock
     emscripten_set_pointerlockchange_callback(NULL, vInputInst, false, EmscriptenInput::HandlePointerLockChange);
@@ -201,7 +200,7 @@ bool EmscriptenInput::IsVisible()
 
 EM_BOOL EmscriptenInput::HandlePointerLockChange(int eventType, const EmscriptenPointerlockChangeEvent* keyEvent, void* userData)
 {
-    Input* const inputInst = (Input*)userData;
+    auto* const inputInst = (Input*)userData;
 
     bool invalid = false;
     const bool suppress = suppressMouseModeEvent_;
@@ -257,7 +256,7 @@ EM_BOOL EmscriptenInput::HandlePointerLockChange(int eventType, const Emscripten
 
 EM_BOOL EmscriptenInput::HandleFocusChange(int eventType, const EmscriptenFocusEvent* keyEvent, void* userData)
 {
-    Input* const inputInst = (Input*)userData;
+    auto* const inputInst = (Input*)userData;
 
     inputInst->SuppressNextMouseMove();
 
@@ -272,7 +271,7 @@ EM_BOOL EmscriptenInput::HandleFocusChange(int eventType, const EmscriptenFocusE
 EM_BOOL EmscriptenInput::HandleMouseJump(int eventType, const EmscriptenMouseEvent * mouseEvent, void* userData)
 {
     // Suppress mouse jump on pointer-lock change
-    Input* const inputInst = (Input*)userData;
+    auto* const inputInst = (Input*)userData;
     bool suppress = false;
     if (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN && inputInst->emscriptenEnteredPointerLock_)
     {
@@ -292,7 +291,7 @@ EM_BOOL EmscriptenInput::HandleMouseJump(int eventType, const EmscriptenMouseEve
 
 int EmscriptenInput::HandleSDLEvents(void* userData, SDL_Event* event)
 {
-    Input* const inputInst = (Input*)userData;
+    auto* const inputInst = (Input*)userData;
 
     inputInst->HandleSDLEvent(event);
 
@@ -305,14 +304,14 @@ int EmscriptenInput::HandleSDLEvents(void* userData, SDL_Event* event)
 // On Windows repaint while the window is actively being resized.
 int Win32_ResizingEventWatcher(void* data, SDL_Event* event)
 {
-    if (event->type == SDL_WINDOWEVENT && event->window.event == SDL_WINDOWEVENT_RESIZED) 
+    if (event->type == SDL_WINDOWEVENT && event->window.event == SDL_WINDOWEVENT_RESIZED)
     {
         SDL_Window* win = SDL_GetWindowFromID(event->window.windowID);
         if (win == (SDL_Window*)data)
         {
-            if (Context* ctx = (Context*)SDL_GetWindowData(win, "URHO3D_CONTEXT"))
+            if (auto* ctx = (Context*)SDL_GetWindowData(win, "URHO3D_CONTEXT"))
             {
-                if (auto graphics = ctx->GetSubsystem<Graphics>())
+                if (auto* graphics = ctx->GetSubsystem<Graphics>())
                 {
                     if (graphics->IsInitialized())
                     {