Steps to reproduce;

1. Create a page resource and add to a course
2. Verify the timemodified field in db

   pm> select name, timemodified from mdl_page;

   +--------+----------------+

   | name | timemodified |

   |--------+----------------|

   | test | 1456997512 |

   +--------+----------------+

   SELECT 1

   Time: 0.001s

3. Use inline editing feature to rename the page from course page:
4. Verify if timemodified has been updated

   pm> select name, timemodified from mdl_page;

   +---------+----------------+

   | name | timemodified |

   |---------+----------------|

   | test 33 | 1456997512 |

   +---------+----------------+

   SELECT 1

   Time: 0.001s

   pm>

EXPECTED RESULTS:
Timemodified updated at same time as title updated

ACTUAL RESULTS:
Timemodified is left unmodified

Further info - this will mean that activites are not reindexed when titles edited thius way in global search.