Add mojom module suffix in .mojom files in content.

content/browser/wake_lock/wake_lock_browsertest.cc

 // Copyright 2015 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 "base/command_line.h"
 #include "base/test/test_timeouts.h"
 #include "content/browser/wake_lock/wake_lock_service_context.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
@@ skipping 55 matching lines @@
     return GetWebContentsImpl()->GetWakeLockServiceContext();
   }
 
   bool HasWakeLock() {
     return GetWakeLockServiceContext()->HasWakeLockForTests();
   }
 
   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();
   }
 
   void ScreenWakeLockInMainFrame() {
     EXPECT_TRUE(ExecuteScript(GetMainFrame(), "screen.keepAwake = true;"));
     WaitForPossibleUpdate();
     EXPECT_TRUE(HasWakeLock());
   }
@@ skipping 278 matching lines @@
       GetNestedFrame()->GetProcess(),
       RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
   GetNestedFrame()->GetProcess()->Shutdown(0, false);
   watcher.Wait();
 
   // Screen wake lock should be released.
   EXPECT_FALSE(HasWakeLock());
 }
 
 }  // namespace content