Update SplitString calls in components

components/device_event_log/device_event_log_impl_unittest.cc

 // Copyright 2014 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 "components/device_event_log/device_event_log_impl.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 35 matching lines @@
 
   void SetUp() override {
     impl_.reset(new DeviceEventLogImpl(task_runner_, kDefaultMaxEvents));
   }
 
   void TearDown() override { impl_.reset(); }
 
  protected:
   std::string SkipTime(const std::string& input) {
     std::string output;
-    std::vector<std::string> lines;
-    base::SplitString(input, '\n', &lines);
-    for (size_t i = 0; i < lines.size(); ++i) {
-      size_t n = lines[i].find(']');
+    for (const std::string& line : base::SplitString(
+             input, "\n", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
+      size_t n = line.find(']');
       if (n != std::string::npos)
-        output += "[time] " + lines[i].substr(n + 2) + '\n';
+        output += "[time] " + line.substr(n + 2) + '\n';
       else
-        output += lines[i];
+        output += line;
     }
     return output;
   }
 
   size_t CountLines(const std::string& input) {
     return std::count(input.begin(), input.end(), '\n');
   }
 
   std::string GetAsString(StringOrder order,
                           const std::string& format,
@@ skipping 213 matching lines @@
       "Power: event2\n"
       "Network: event3\n"
       "Power: event4\n"
       "Network: event5\n"
       "Network: event6\n");
   EXPECT_EQ(all_events, GetLogStringForType("network,power"));
   EXPECT_EQ(all_events, GetLogStringForType(""));
 }
 
 }  // namespace device_event_log