Add a getter for search provider logos.

chrome/browser/search_engines/template_url_prepopulate_data.h

Index: chrome/browser/search_engines/template_url_prepopulate_data.h
diff --git a/chrome/browser/search_engines/template_url_prepopulate_data.h b/chrome/browser/search_engines/template_url_prepopulate_data.h
index 4d676fb6fe841c313695f930bd56e1f9baf00ef7..c41e54615b7a3a26dc2157c50d8a095352c0944c 100644
--- a/chrome/browser/search_engines/template_url_prepopulate_data.h
+++ b/chrome/browser/search_engines/template_url_prepopulate_data.h
@@ -21,6 +21,12 @@ namespace TemplateURLPrepopulateData {
 
 extern const int kMaxPrepopulatedEngineID;
 
+// Sizes at which search provider logos are available.
+enum LogoSize {
+  LOGO_100_PERCENT,
+  LOGO_200_PERCENT,
+};
+
 #if defined(OS_ANDROID)
 
 // This must be called early only once. |country_code| is the country code at
@@ -57,6 +63,12 @@ TemplateURL* GetPrepopulatedDefaultSearch(Profile* profile);
 // NOTE: Must be called on the UI thread.
 SearchEngineType GetEngineType(const std::string& url);
 
+// Returns the logo at the specified |size| for |template_url|.  If no logo is
+// known, this will return an empty GURL.
+//
+// NOTE: Must be called on the UI thread.
+GURL GetLogoURL(const TemplateURL& template_url, LogoSize size);
+
 }  // namespace TemplateURLPrepopulateData
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PREPOPULATE_DATA_H_