Correct the names of the FX_SAFE_* typedefs. R=jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/417263008

diff --git a/core/include/fxcrt/fx_system.h b/core/include/fxcrt/fx_system.h
index 3913803..6d659e2 100644
--- a/core/include/fxcrt/fx_system.h
+++ b/core/include/fxcrt/fx_system.h

@@ -277,9 +277,9 @@
 };
 
 #include "../../../third_party/numerics/safe_math.h"
-typedef base::CheckedNumeric<FX_DWORD> 		FX_SAFE_DWORD;
-typedef base::CheckedNumeric<FX_INT32> 		FX_SAFE_INT;
-typedef base::CheckedNumeric<size_t>            FX_SAFE_SIZET;
+typedef base::CheckedNumeric<FX_DWORD> FX_SAFE_DWORD;
+typedef base::CheckedNumeric<FX_INT32> FX_SAFE_INT32;
+typedef base::CheckedNumeric<size_t>   FX_SAFE_SIZE_T;
 #if defined(__clang__) || _MSC_VER >= 1700
 #define FX_FINAL final
 #elif defined(__GNUC__) && __cplusplus >= 201103 && \

diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 5279ab9..7e80f75 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp

@@ -1204,7 +1204,7 @@
         return;
     }
 
-    FX_SAFE_INT max_src_x = clip_left;
+    FX_SAFE_INT32 max_src_x = clip_left;
     max_src_x += clip_width - 1;
     max_src_x *= src_width;
     max_src_x /= dest_width;

diff --git a/core/src/fxcrt/extension.h b/core/src/fxcrt/extension.h
index d04d1da..6221d14 100644
--- a/core/src/fxcrt/extension.h
+++ b/core/src/fxcrt/extension.h

@@ -230,7 +230,7 @@
 
         offset = safeOffset.ValueOrDie();
 
-        FX_SAFE_SIZET newPos = size;
+        FX_SAFE_SIZE_T newPos = size;
         newPos += offset;
         if (!newPos.IsValid() || newPos.ValueOrDefault(0) == 0 || newPos.ValueOrDie() >= m_nCurSize) {
             return FALSE;
@@ -282,7 +282,7 @@
             offset += (FX_FILESIZE)m_nOffset;
         }
         if (m_dwFlags & FX_MEMSTREAM_Consecutive) {
-            FX_SAFE_SIZET newPos = size; 
+            FX_SAFE_SIZE_T newPos = size; 
             newPos += offset;
             if (!newPos.IsValid())
                 return FALSE;
@@ -308,7 +308,7 @@
             return TRUE;
         }
 
-        FX_SAFE_SIZET newPos = size;
+        FX_SAFE_SIZE_T newPos = size;
         newPos += offset;
         if (!newPos.IsValid()) {
             return FALSE;