COMPMID-1995: Fix clang-tidy warnings

- Remove VirtualCall checks
- Fix some unused variables errors
- Use std::array insted of C style arrays
- Various fixes

Change-Id: Ife6170b7102de42b8f04e298dcf8476bf90779f0
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1049
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/src/core/NEON/kernels/NESobel7x7Kernel.cpp b/src/core/NEON/kernels/NESobel7x7Kernel.cpp
index 40a3e31..f2b42cc 100644
--- a/src/core/NEON/kernels/NESobel7x7Kernel.cpp
+++ b/src/core/NEON/kernels/NESobel7x7Kernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -215,7 +215,7 @@
 
     if(_run_sobel_y && _run_sobel_x)
     {
-        execute_window_loop(window, [&](const Coordinates & id)
+        execute_window_loop(window, [&](const Coordinates &)
         {
             const uint8x16_t data = vld1q_u8(input.ptr() - 3);
 
@@ -244,7 +244,7 @@
     }
     else if(_run_sobel_x)
     {
-        execute_window_loop(window, [&](const Coordinates & id)
+        execute_window_loop(window, [&](const Coordinates &)
         {
             const uint8x16_t data = vld1q_u8(input.ptr() - 3);
 
@@ -269,7 +269,7 @@
     }
     else if(_run_sobel_y)
     {
-        execute_window_loop(window, [&](const Coordinates & id)
+        execute_window_loop(window, [&](const Coordinates &)
         {
             const uint8x16_t data = vld1q_u8(input.ptr() - 3);
 
@@ -301,7 +301,7 @@
 
 BorderSize NESobel7x7VertKernel::border_size() const
 {
-    return BorderSize(3, 0);
+    return BorderSize{ 3, 0 };
 }
 
 void NESobel7x7VertKernel::configure(const ITensor *input_x, const ITensor *input_y, ITensor *output_x, ITensor *output_y, bool border_undefined)
@@ -382,7 +382,7 @@
 
     if(_run_sobel_x)
     {
-        execute_window_loop(window, [&](const Coordinates & id)
+        execute_window_loop(window, [&](const Coordinates &)
         {
             auto in_ptr = reinterpret_cast<int32_t *>(input_x.ptr()) - 3 * in_x_stride;
 
@@ -453,7 +453,7 @@
 
     if(_run_sobel_y)
     {
-        execute_window_loop(window, [&](const Coordinates & id)
+        execute_window_loop(window, [&](const Coordinates &)
         {
             auto in_ptr = reinterpret_cast<int32_t *>(input_y.ptr()) - 3 * in_y_stride;