Fix SafeAdd and SafeMultiply

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
diff --git a/gpu/command_buffer/service/texture_manager.cc b/gpu/command_buffer/service/texture_manager.cc
index 574107ca2abf20f2f4aed69de15233a0425e0b90..41fea807da0ad0cc31cdb64188373eff6c06bd82 100644
--- a/gpu/command_buffer/service/texture_manager.cc
+++ b/gpu/command_buffer/service/texture_manager.cc
@@ -359,10 +359,10 @@ bool TextureManager::TextureInfo::ValidForTexture(
   if (level >= 0 && face_index < level_infos_.size() &&
       static_cast<size_t>(level) < level_infos_[face_index].size()) {
     const LevelInfo& info = level_infos_[GLTargetToFaceIndex(face)][level];
-    GLint right;
-    GLint top;
-    return SafeAdd(xoffset, width, &right) &&
-           SafeAdd(yoffset, height, &top) &&
+    int32 right;
+    int32 top;
+    return SafeAddInt32(xoffset, width, &right) &&
+           SafeAddInt32(yoffset, height, &top) &&
            xoffset >= 0 &&
            yoffset >= 0 &&
            right <= info.width &&