docs: update the links to the get-the-code page to use the https url

docs/closure_compilation.md

 # Closure Compilation
 
 ## I just need to fix the compile!
 
 To locally run closure compiler like the bots, do this:
 
 ```shell
 cd $CHROMIUM_SRC
 # sudo apt-get install openjdk-7-jre # may be required
 GYP_GENERATORS=ninja tools/gyp/gyp --depth . third_party/closure_compiler/compiled_resources.gyp
@@ skipping 21 matching lines @@
 The type information is
 [annotated in comment tags](https://developers.google.com/closure/compiler/docs/js-for-compiler)
 that are briefly described below.
 
 See also:
 [the design doc](https://docs.google.com/a/chromium.org/document/d/1Ee9ggmp6U-lM-w9WmxN5cSLkK9B5YAq14939Woo-JY0/edit).
 
 ## Assumptions
 
 A working Chrome checkout. See here:
-http://www.chromium.org/developers/how-tos/get-the-code
+https://www.chromium.org/developers/how-tos/get-the-code
 
 ## Typechecking Your Javascript
 
 So you'd like to compile your JavaScript!
 
 Maybe you're working on a page that looks like this:
 
 ```html
 <script src="other_file.js"></script>
 <script src="my_product/my_file.js"></script>
@@ skipping 226 matching lines @@
           'jscomp_error=duplicate',
           'jscomp_error=misplacedTypeAnnotation',
         ],
         'disabled_closure_args': [], # remove the disabled closure args for more strict compilation
       },
       'includes': ['../third_party/closure_compiler/compile_js.gypi'],
     },
   ],
 }
 ```