Fix some grammar in content/browser/geolocation/

content/browser/geolocation/mock_location_provider.cc

Index: content/browser/geolocation/mock_location_provider.cc
diff --git a/content/browser/geolocation/mock_location_provider.cc b/content/browser/geolocation/mock_location_provider.cc
index 756b926dd803ff4ad01d9fbbcfd54d0d19be5566..29b7058c5dd9f72aeac707c808fa4197d5bf0247 100644
--- a/content/browser/geolocation/mock_location_provider.cc
+++ b/content/browser/geolocation/mock_location_provider.cc
@@ -62,7 +62,7 @@ void MockLocationProvider::OnPermissionGranted(const GURL& requesting_frame) {
   permission_granted_url_ = requesting_frame;
 }
 
-// Mock location provider that automatically calls back it's client at most
+// Mock location provider that automatically calls back its client at most
 // once, when StartProvider or OnPermissionGranted is called. Use
 // |requires_permission_to_start| to select which event triggers the callback.
 class AutoMockLocationProvider : public MockLocationProvider {