[Home] Use white doodle background when Chrome Home is enabled

components/search_provider_logos/logo_tracker.h

Index: components/search_provider_logos/logo_tracker.h
diff --git a/components/search_provider_logos/logo_tracker.h b/components/search_provider_logos/logo_tracker.h
index 851e1bc5a03479e817241e561888bf17feaf0c57..10e033c0d0e15dd89b90762a381a44b99f59e455 100644
--- a/components/search_provider_logos/logo_tracker.h
+++ b/components/search_provider_logos/logo_tracker.h
@@ -80,7 +80,8 @@ typedef base::Callback<std::unique_ptr<EncodedLogo>(
 typedef base::Callback<GURL(const GURL& logo_url,
                             const std::string& fingerprint,
                             bool wants_cta,
-                            bool transparent)> AppendQueryparamsToLogoURL;
+                            bool gray_background)>
+    AppendQueryparamsToLogoURL;
 
 // This class provides the logo for a search provider. Logos are downloaded from
 // the search provider's logo URL and cached on disk.
@@ -124,7 +125,8 @@ class LogoTracker : public net::URLFetcherDelegate {
   // server's response into a EncodedLogo object. |append_queryparams_func| is a
   // callback that will return the URL from which to download the logo.
   // |wants_cta| determines if the url should return a call to action image.
-  // |transparent| determines whether to request a transparent logo.
+  // |gray_background| determines whether to request a logo with a gray
+  // background. The gray will match the NTP background color.
   // Note: |parse_logo_response_func| and |append_queryparams_func| must be
   // suitable for running multiple times, concurrently, and on multiple threads.
   // TODO(ianwen): remove wants_cta from parameter.
@@ -132,7 +134,7 @@ class LogoTracker : public net::URLFetcherDelegate {
                     const ParseLogoResponse& parse_logo_response_func,
                     const AppendQueryparamsToLogoURL& append_queryparams_func,
                     bool wants_cta,
-                    bool transparent);
+                    bool gray_background);
 
   // Retrieves the current search provider's logo from the local cache and/or
   // over the network, and registers |observer| to be called when the cached
@@ -220,8 +222,8 @@ class LogoTracker : public net::URLFetcherDelegate {
   // If |true| request call to action in server API.
   bool wants_cta_;
 
-  // If |true| request transparent doodle.
-  bool transparent_;
+  // If |true| request a doodle with a gray background.
+  bool gray_background_;
 
   // False if an asynchronous task is currently running.
   bool is_idle_;