Use unsigned for char width

Bug: 806612
Change-Id: I22bd9046dd37a1b596762c46a6b29a323d6e9fa1
Reviewed-on: https://pdfium-review.googlesource.com/24410
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
diff --git a/fpdfsdk/fpdfedit_embeddertest.cpp b/fpdfsdk/fpdfedit_embeddertest.cpp
index ee2fc7e..070c51e 100644
--- a/fpdfsdk/fpdfedit_embeddertest.cpp
+++ b/fpdfsdk/fpdfedit_embeddertest.cpp
@@ -105,7 +105,7 @@
         int cnt = static_cast<int>(arr->GetCount());
         size_t inner_idx = 0;
         for (cur_cid = cid; cur_cid < cid + cnt; cur_cid++) {
-          int width = arr->GetNumberAt(inner_idx++);
+          uint32_t width = arr->GetNumberAt(inner_idx++);
           EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) << " at cid "
                                                                << cur_cid;
         }
@@ -116,7 +116,7 @@
       ASSERT_TRUE(next->IsNumber());
       int last_cid = next->AsNumber()->GetInteger();
       ASSERT_FALSE(++idx == widths_array->GetCount());
-      int width = widths_array->GetNumberAt(idx);
+      uint32_t width = widths_array->GetNumberAt(idx);
       for (cur_cid = cid; cur_cid <= last_cid; cur_cid++) {
         EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) << " at cid "
                                                              << cur_cid;