[gvsearch] Modernize and fix page result request (closes #11051)

youtube_dl/extractor/googlesearch.py

@@ -4,9 +4,6 @@ import itertools
 import re
 
 from .common import SearchInfoExtractor
-from ..compat import (
-    compat_urllib_parse,
-)
 
 
 class GoogleSearchIE(SearchInfoExtractor):
@@ -34,13 +31,16 @@ class GoogleSearchIE(SearchInfoExtractor):
         }
 
         for pagenum in itertools.count():
-            result_url = (
-                'http://www.google.com/search?tbm=vid&q=%s&start=%s&hl=en'
-                % (compat_urllib_parse.quote_plus(query), pagenum * 10))
-
             webpage = self._download_webpage(
-                result_url, 'gvsearch:' + query,
-                note='Downloading result page ' + str(pagenum + 1))
+                'http://www.google.com/search',
+                'gvsearch:' + query,
+                note='Downloading result page %s' % (pagenum + 1),
+                query={
+                    'tbm': 'vid',
+                    'q': query,
+                    'start': pagenum * 10,
+                    'hl': 'en',
+                })
 
             for hit_idx, mobj in enumerate(re.finditer(
                     r'<h3 class="r"><a href="([^"]+)"', webpage)):