Theme Preferences for Distilled Pages

components/dom_distiller/core/viewer.h

Index: components/dom_distiller/core/viewer.h
diff --git a/components/dom_distiller/core/viewer.h b/components/dom_distiller/core/viewer.h
index 98a7e998f8ebbd2e0028ffca808b50ef4c16078e..4339fc773a89bd4dbf8db532c1b0d421ae7c442e 100644
--- a/components/dom_distiller/core/viewer.h
+++ b/components/dom_distiller/core/viewer.h
@@ -11,6 +11,7 @@
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
+#include "components/dom_distiller/core/distilled_page_prefs.h"
 
 namespace dom_distiller {
 
@@ -26,7 +27,8 @@ namespace viewer {
 // to be displayed to the end user. The returned HTML should be considered
 // unsafe, so callers must ensure rendering it does not compromise Chrome.
 const std::string GetUnsafeArticleHtml(
-    const DistilledArticleProto* article_proto);
+    const DistilledArticleProto* article_proto,
+    const DistilledPagePrefs::Theme theme);
 
 // Returns the base Viewer HTML page based on the given |page_proto|. This is
 // supposed to be displayed to the end user. The returned HTML should be
@@ -35,7 +37,8 @@ const std::string GetUnsafeArticleHtml(
 // for displaying an in-flight distillation instead of waiting for the full
 // article.
 const std::string GetUnsafePartialArticleHtml(
-    const DistilledPageProto* page_proto);
+    const DistilledPageProto* page_proto,
+    const DistilledPagePrefs::Theme theme);
 
 // Returns a JavaScript blob for updating a partial view request with additional
 // distilled content. Meant for use when viewing a slow or long multi-page
@@ -51,7 +54,7 @@ const std::string GetUnsafeIncrementalDistilledPageJs(
 const std::string GetToggleLoadingIndicatorJs(const bool is_last_page);
 
 // Returns a full HTML page which displays a generic error.
-const std::string GetErrorPageHtml();
+const std::string GetErrorPageHtml(const DistilledPagePrefs::Theme theme);
 
 // Returns the default CSS to be used for a viewer.
 const std::string GetCss();
@@ -66,6 +69,9 @@ scoped_ptr<ViewerHandle> CreateViewRequest(
     const std::string& path,
     ViewRequestDelegate* view_request_delegate);
 
+// Returns JavaScript corresponding to setting a specific theme.
+const std::string GetDistilledPageThemeJs(DistilledPagePrefs::Theme theme);
+
 }  // namespace viewer
 
 }  // namespace dom_distiller