Move the "extension" namespace from extension_api.json into extension_api_extension.json.

chrome/common/extensions/docs/build/build.py

Index: chrome/common/extensions/docs/build/build.py
diff --git a/chrome/common/extensions/docs/build/build.py b/chrome/common/extensions/docs/build/build.py
index 4000e70ec307cabfc12f02f00beff8cf0c136080..eae39c723474ba7e36b1f564bc7847787117d21d 100755
--- a/chrome/common/extensions/docs/build/build.py
+++ b/chrome/common/extensions/docs/build/build.py
@@ -5,6 +5,7 @@
 
 """Docbuilder for extension docs."""
 
+import glob
 import os
 import os.path
 import shutil
@@ -24,8 +25,7 @@ _template_dir = _base_dir + "/template"
 _samples_dir = _base_dir + "/examples"
 _extension_api_dir = os.path.normpath(_base_dir + "/../api")
 
-_extension_api_json = _extension_api_dir + "/extension_api.json"
-_devtools_api_json = _extension_api_dir + "/devtools_api.json"
+_extension_api_json_schemas = glob.glob(_extension_api_dir + '/*.json')
 _api_template_html = _template_dir + "/api_template.html"
 _page_shell_html = _template_dir + "/page_shell.html"
 _generator_html = _build_dir + "/generator.html"
@@ -185,7 +185,7 @@ def main():
     dump_render_tree = FindDumpRenderTree()
 
   # Load the manifest of existing API Methods
-  api_manifest = ApiManifest([_extension_api_json, _devtools_api_json])
+  api_manifest = ApiManifest(_extension_api_json_schemas)
 
   # Read static file names
   static_names = GetStaticFileNames()