Add a mouselock example.

examples/mouselock/build.scons

Index: examples/mouselock/build.scons
===================================================================
--- examples/mouselock/build.scons	(revision 0)
+++ examples/mouselock/build.scons	(working copy)
@@ -9,7 +9,7 @@
 
 nacl_env = make_nacl_env.NaClEnvironment(
     use_c_plus_plus_libs=True, nacl_platform=os.getenv('NACL_TARGET_PLATFORM'),
-    install_subdir='load_progress', lib_prefix='..')
+    install_subdir='mouselock', lib_prefix='..')
 nacl_env.Append(
     # Add a CPPPATH that enables the full-path #include directives, such as
     # #include "examples/sine_synth/sine_synth.h"
@@ -18,13 +18,13 @@
     CCFLAGS=['-pedantic', '-Werror'],
    )
 
-sources = ['load_progress.cc']
+sources = ['mouselock.cc']
 
-opt_nexes, dbg_nexes = nacl_env.AllNaClModules(sources, 'load_progress')
+opt_nexes, dbg_nexes = nacl_env.AllNaClModules(sources, 'mouselock')
 
 # This target is used by the SDK build system to provide a prebuilt version
 # of the example in the SDK installer.
-nacl_env.InstallPrebuilt('load_progress')
+nacl_env.InstallPrebuilt('mouselock')
 
 common_files = [
     'check_browser.js',
@@ -34,8 +34,8 @@
     for common_file in common_files]
 
 app_files = [
-    'load_progress.html',
-    'load_progress.nmf',
+    'mouselock.html',
+    'mouselock.nmf',
     ]
 
 # Split the install of the .nexes from the other app sources so that the strip