Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+
+<h1><a href="cloudsearch_v1.html">Cloud Search API</a> . <a href="cloudsearch_v1.media.html">media</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#upload">upload(resourceName, body=None, media_body=None, media_mime_type=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Uploads media for indexing.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="upload">upload(resourceName, body=None, media_body=None, media_mime_type=None, x__xgafv=None)</code>
+  <pre>Uploads media for indexing.
+
+The upload endpoint supports direct and resumable upload protocols and
+is intended for large items that can not be inlined during index requests. To
+index large content:
+
+1. Call upload to begin
+   a session and get the item reference.
+1. Upload the content using the item reference's resource name.
+1. Call index with the item
+   reference as the content.
+
+For additional information, see
+[Create a content connector using the REST API](https://developers.google.com/cloud-search/docs/guides/content-connector#rest).
+
+Args:
+  resourceName: string, Name of the media that is being downloaded.  See
+ReadRequest.resource_name. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # Media resource.
+    "resourceName": "A String", # Name of the media resource.
+  }
+
+  media_body: string, The filename of the media request body, or an instance of a MediaUpload object.
+  media_mime_type: string, The MIME type of the media request body, or an instance of a MediaUpload object.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # Media resource.
+      "resourceName": "A String", # Name of the media resource.
+    }</pre>
+</div>
+
+</body></html>
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