cc: Use CheckedNumeric for resource size calculations.

cc/resources/prioritized_resource_unittest.cc

Index: cc/resources/prioritized_resource_unittest.cc
diff --git a/cc/resources/prioritized_resource_unittest.cc b/cc/resources/prioritized_resource_unittest.cc
index cd1221f6e6bcb693eace0eef7520d8272a20644b..0e0f32bff8e385c5ec7c1994f921e306cd978044 100644
--- a/cc/resources/prioritized_resource_unittest.cc
+++ b/cc/resources/prioritized_resource_unittest.cc
@@ -39,7 +39,7 @@ class PrioritizedResourceTest : public testing::Test {
   }
 
   size_t TexturesMemorySize(size_t texture_count) {
-    return Resource::MemorySizeBytes(texture_size_, texture_format_) *
+    return Resource::UncheckedMemorySizeBytes(texture_size_, texture_format_) *
            texture_count;
   }