Set the font family for the "system-ui" generic font family on Linux

content/browser/renderer_host/render_view_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 95 matching lines @@
 using blink::WebDragOperation;
 using blink::WebDragOperationNone;
 using blink::WebDragOperationsMask;
 using blink::WebInputEvent;
 using blink::WebMediaPlayerAction;
 using blink::WebPluginAction;
 
 namespace content {
 namespace {
 
+void GetPlatformSpecificPrefs(RendererPreferences* prefs) {
 #if defined(OS_WIN)
-void GetWindowsSpecificPrefs(RendererPreferences* prefs) {
   NONCLIENTMETRICS_XP metrics = {0};
   base::win::GetNonClientMetrics(&metrics);
 
   prefs->caption_font_family_name = metrics.lfCaptionFont.lfFaceName;
   prefs->caption_font_height = gfx::PlatformFontWin::GetFontSize(
       metrics.lfCaptionFont);
 
   prefs->small_caption_font_family_name = metrics.lfSmCaptionFont.lfFaceName;
   prefs->small_caption_font_height = gfx::PlatformFontWin::GetFontSize(
       metrics.lfSmCaptionFont);
@@ skipping 11 matching lines @@
       metrics.lfMessageFont);
 
   prefs->vertical_scroll_bar_width_in_dips =
       display::win::ScreenWin::GetSystemMetricsInDIP(SM_CXVSCROLL);
   prefs->horizontal_scroll_bar_height_in_dips =
       display::win::ScreenWin::GetSystemMetricsInDIP(SM_CYHSCROLL);
   prefs->arrow_bitmap_height_vertical_scroll_bar_in_dips =
       display::win::ScreenWin::GetSystemMetricsInDIP(SM_CYVSCROLL);
   prefs->arrow_bitmap_width_horizontal_scroll_bar_in_dips =
       display::win::ScreenWin::GetSystemMetricsInDIP(SM_CXHSCROLL);
+#elif defined(OS_LINUX)
+  prefs->system_font_family_name = gfx::Font().GetFontName();
+#endif
 }
-#endif
 
 std::vector<DropData::Metadata> DropDataToMetaData(const DropData& drop_data) {
   std::vector<DropData::Metadata> metadata;
   if (!drop_data.text.is_null()) {
     metadata.push_back(DropData::Metadata::CreateForMimeType(
         DropData::Kind::STRING,
         base::ASCIIToUTF16(ui::Clipboard::kMimeTypeText)));
   }
 
   if (drop_data.url.is_valid()) {
@@ skipping 167 matching lines @@
   // TODO(creis): Remove this once we've found the cause.
   if (main_frame_routing_id_ != MSG_ROUTING_NONE &&
       proxy_route_id != MSG_ROUTING_NONE)
     base::debug::DumpWithoutCrashing();
 
   GetWidget()->set_renderer_initialized(true);
 
   mojom::CreateViewParamsPtr params = mojom::CreateViewParams::New();
   params->renderer_preferences =
       delegate_->GetRendererPrefs(GetProcess()->GetBrowserContext());
-#if defined(OS_WIN)
-  GetWindowsSpecificPrefs(&params->renderer_preferences);
-#endif
+  GetPlatformSpecificPrefs(&params->renderer_preferences);
   params->web_preferences = GetWebkitPreferences();
   params->view_id = GetRoutingID();
   params->main_frame_routing_id = main_frame_routing_id_;
   if (main_frame_routing_id_ != MSG_ROUTING_NONE) {
     RenderFrameHostImpl* main_rfh = RenderFrameHostImpl::FromID(
         GetProcess()->GetID(), main_frame_routing_id_);
     DCHECK(main_rfh);
     RenderWidgetHostImpl* main_rwh = main_rfh->GetRenderWidgetHost();
     params->main_frame_widget_routing_id = main_rwh->GetRoutingID();
   }
@@ skipping 45 matching lines @@
   return true;
 }
 
 bool RenderViewHostImpl::IsRenderViewLive() const {
   return GetProcess()->HasConnection() && GetWidget()->renderer_initialized();
 }
 
 void RenderViewHostImpl::SyncRendererPrefs() {
   RendererPreferences renderer_preferences =
       delegate_->GetRendererPrefs(GetProcess()->GetBrowserContext());
-#if defined(OS_WIN)
-  GetWindowsSpecificPrefs(&renderer_preferences);
-#endif
+  GetPlatformSpecificPrefs(&renderer_preferences);
   Send(new ViewMsg_SetRendererPrefs(GetRoutingID(), renderer_preferences));
 }
 
 WebPreferences RenderViewHostImpl::ComputeWebkitPrefs() {
   TRACE_EVENT0("browser", "RenderViewHostImpl::GetWebkitPrefs");
   WebPreferences prefs;
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
@@ skipping 894 matching lines @@
     // Note: We are using the origin URL provided by the sender here. It may be
     // different from the receiver's.
     file_system_file.url =
         GURL(storage::GetIsolatedFileSystemRootURIString(
                  file_system_url.origin(), filesystem_id, std::string())
                  .append(register_name));
   }
 }
 
 }  // namespace content