Add mojom module suffix in .mojom files in content.

content/browser/wake_lock/wake_lock_browsertest.cc

Index: content/browser/wake_lock/wake_lock_browsertest.cc
diff --git a/content/browser/wake_lock/wake_lock_browsertest.cc b/content/browser/wake_lock/wake_lock_browsertest.cc
index 3ac458973ceccc5f3f850e5570ec88494bf13e11..ae00ed57d013a56ee5c2edd639dbf71a090f9c5e 100644
--- a/content/browser/wake_lock/wake_lock_browsertest.cc
+++ b/content/browser/wake_lock/wake_lock_browsertest.cc
@@ -73,9 +73,11 @@ class WakeLockTest : public ContentBrowserTest {
   void WaitForPossibleUpdate() {
     // As Mojo channels have no common FIFO order in respect to each other and
     // to the Chromium IPC, we cannot assume that when screen.keepAwake state
-    // is changed from within a script, WakeLockService will receive an update
+    // is changed from within a script, mojom::WakeLockService will receive an
+    // update

[Tom Sepez, 2016/03/25 15:42:27]

nit: format

[leonhsl(Using Gerrit), 2016/03/26 14:34:30]

Done.

     // request before ExecuteScript() returns. Therefore, some time slack is
-    // needed to make sure that WakeLockService has received any possible update
+    // needed to make sure that mojom::WakeLockService has received any possible
+    // update
     // requests before checking the resulting wake lock state.
     base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
     RunAllPendingInMessageLoop();