Remove uses of SK_DEBUG and SkAssert

Change-Id: I72885e4413726750d3729d8df5a75507e3cdb9b4
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/103390
Auto-Submit: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Nigi <nigi@chromium.org>
Reviewed-by: Nigi <nigi@chromium.org>
diff --git a/core/fxge/skia/fx_skia_device.cpp b/core/fxge/skia/fx_skia_device.cpp
index 532c157..a6e308d 100644
--- a/core/fxge/skia/fx_skia_device.cpp
+++ b/core/fxge/skia/fx_skia_device.cpp
@@ -2163,7 +2163,9 @@
     // TODO(caryclark) Once Skia supports 8 bit src to 8 bit dst remove this
     if (m_pBitmap && m_pBitmap->GetBPP() == 8 && pSource->GetBPP() == 8) {
       SkMatrix inv;
-      SkAssertResult(skMatrix.invert(&inv));
+      if (!skMatrix.invert(&inv)) {
+        return false;
+      }
       for (int y = 0; y < m_pBitmap->GetHeight(); ++y) {
         for (int x = 0; x < m_pBitmap->GetWidth(); ++x) {
           SkPoint src = {x + 0.5f, y + 0.5f};
@@ -2264,10 +2266,10 @@
 }
 
 void CFX_DefaultRenderDevice::DebugVerifyBitmapIsPreMultiplied() const {
-#ifdef SK_DEBUG
+#if !defined(NDEBUG)
   static_cast<CFX_SkiaDeviceDriver*>(GetDeviceDriver())
       ->DebugVerifyBitmapIsPreMultiplied();
-#endif  // SK_DEBUG
+#endif
 }
 
 bool CFX_DefaultRenderDevice::SetBitsWithMask(
@@ -2284,7 +2286,7 @@
 }
 
 void CFX_DIBBase::DebugVerifyBitmapIsPreMultiplied() const {
-#ifdef SK_DEBUG
+#if !defined(NDEBUG)
   DCHECK_EQ(GetBPP(), 32);
   const uint32_t* buffer = reinterpret_cast<uint32_t*>(GetBuffer().data());
   int width = GetWidth();
@@ -2297,11 +2299,11 @@
       uint8_t r = SkGetPackedR32(srcRow[x]);
       uint8_t g = SkGetPackedG32(srcRow[x]);
       uint8_t b = SkGetPackedB32(srcRow[x]);
-      SkA32Assert(a);
+      DCHECK(static_cast<unsigned>(a) <= SK_A32_MASK);
       DCHECK(r <= a);
       DCHECK(g <= a);
       DCHECK(b <= a);
     }
   }
-#endif  // SK_DEBUG
+#endif
 }
diff --git a/third_party/skia_shared/SkFloatToDecimal.cpp b/third_party/skia_shared/SkFloatToDecimal.cpp
index 774974e..90d4be3 100644
--- a/third_party/skia_shared/SkFloatToDecimal.cpp
+++ b/third_party/skia_shared/SkFloatToDecimal.cpp
@@ -7,14 +7,11 @@
 
 #include "SkFloatToDecimal.h"
 
+#include <cassert>
 #include <cfloat>
 #include <climits>
 #include <cmath>
 
-//#include "SkTypes.h"
-#include <cassert>
-#define SkASSERT assert
-
 namespace pdfium {
 namespace skia {
 namespace {
@@ -44,9 +41,11 @@
                 while (e-- > 15) { value *= 10.0; }
                 return value;
             } else {
-                SkASSERT(e < 0);
+                assert(e < 0);
                 double value = 1.0;
-                while (e++ < 0) { value /= 10.0; }
+                while (e++ < 0) {
+                    value /= 10.0;
+                }
                 return value;
             }
     }
@@ -108,7 +107,7 @@
         *output_ptr++ = '-';
         value = -value;
     }
-    SkASSERT(value >= 0.0f);
+    assert(value >= 0.0f);
 
     int binaryExponent;
     (void)std::frexp(value, &binaryExponent);
@@ -116,31 +115,31 @@
     int decimalExponent = static_cast<int>(std::floor(kLog2 * binaryExponent));
     int decimalShift = decimalExponent - 8;
     double power = pow10(-decimalShift);
-    SkASSERT(value * power <= (double)INT_MAX);
+    assert(value * power <= (double)INT_MAX);
     int d = static_cast<int>(value * power + 0.5);
-    // SkASSERT(value == (float)(d * pow(10.0, decimalShift)));
-    SkASSERT(d <= 999999999);
+    // assert(value == (float)(d * pow(10.0, decimalShift)));
+    assert(d <= 999999999);
     if (d > 167772159) {  // floor(pow(10,1+log10(1<<24)))
        // need one fewer decimal digits for 24-bit precision.
        decimalShift = decimalExponent - 7;
-       // SkASSERT(power * 0.1 = pow10(-decimalShift));
+       // assert(power * 0.1 = pow10(-decimalShift));
        // recalculate to get rounding right.
        d = static_cast<int>(value * (power * 0.1) + 0.5);
-       SkASSERT(d <= 99999999);
+       assert(d <= 99999999);
     }
     while (d % 10 == 0) {
         d /= 10;
         ++decimalShift;
     }
-    SkASSERT(d > 0);
-    // SkASSERT(value == (float)(d * pow(10.0, decimalShift)));
+    assert(d > 0);
+    // assert(value == (float)(d * pow(10.0, decimalShift)));
     unsigned char buffer[9]; // decimal value buffer.
     int bufferIndex = 0;
     do {
         buffer[bufferIndex++] = d % 10;
         d /= 10;
     } while (d != 0);
-    SkASSERT(bufferIndex <= (int)sizeof(buffer) && bufferIndex > 0);
+    assert(bufferIndex <= (int)sizeof(buffer) && bufferIndex > 0);
     if (decimalShift >= 0) {
         do {
             --bufferIndex;
@@ -174,7 +173,7 @@
             }
         }
     }
-    SkASSERT(output_ptr <= end);
+    assert(output_ptr <= end);
     *output_ptr = '\0';
     return static_cast<unsigned>(output_ptr - output);
 }