Fixed memory overflow caused by invalid input.

printing/page_range_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "printing/page_range.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(PageRangeTest, RangeMerge) {
   printing::PageRanges ranges;
   printing::PageRange range;
@@ skipping 14 matching lines @@
   EXPECT_EQ(4, pages[3]);
   EXPECT_EQ(5, pages[4]);
   EXPECT_EQ(10, pages[5]);
   EXPECT_EQ(11, pages[6]);
   EXPECT_EQ(12, pages[7]);
 }
 
 TEST(PageRangeTest, Empty) {
   printing::PageRanges ranges;
   std::vector<int> pages(printing::PageRange::GetPages(ranges));
-  EXPECT_EQ(0U, pages.size());
+  EXPECT_TRUE(pages.empty());
 }
+
+TEST(PageRangeTest, Huge) {
+  printing::PageRanges ranges;
+  printing::PageRange range;
+  range.from = 1;
+  range.to = 2000000000;
+  ranges.push_back(range);
+  std::vector<int> pages(printing::PageRange::GetPages(ranges));
+  EXPECT_FALSE(pages.empty());
+}