Split RW hint into Width and Viewport-Width

Source/core/loader/FrameFetchContextTest.cpp

 /*
  * Copyright (c) 2015, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 245 matching lines @@
 
 TEST_F(FrameFetchContextHintsTest, MonitorDPRHints)
 {
     expectHeader("http://www.example.com/1.gif", "DPR", false, "");
     ClientHintsPreferences preferences;
     preferences.setShouldSendDPR(true);
     document->setClientHintsPreferences(preferences);
     expectHeader("http://www.example.com/1.gif", "DPR", true, "1");
     dummyPageHolder->page().setDeviceScaleFactor(2.5);
     expectHeader("http://www.example.com/1.gif", "DPR", true, "2.5");
-    expectHeader("http://www.example.com/1.gif", "RW", false, "");
+    expectHeader("http://www.example.com/1.gif", "Width", false, "");
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", false, "");
 }
 
-TEST_F(FrameFetchContextHintsTest, MonitorRWHints)
+TEST_F(FrameFetchContextHintsTest, MonitorResourceWidthHints)
 {
-    expectHeader("http://www.example.com/1.gif", "RW", false, "");
+    expectHeader("http://www.example.com/1.gif", "Width", false, "");
     ClientHintsPreferences preferences;
-    preferences.setShouldSendRW(true);
+    preferences.setShouldSendResourceWidth(true);
     document->setClientHintsPreferences(preferences);
-    expectHeader("http://www.example.com/1.gif", "RW", true, "500");
-    dummyPageHolder->frameView().setLayoutSizeFixedToFrameSize(false);
-    dummyPageHolder->frameView().setLayoutSize(IntSize(800, 800));
-    expectHeader("http://www.example.com/1.gif", "RW", true, "800");
-    expectHeader("http://www.example.com/1.gif", "RW", true, "667", 666.6666);
+    expectHeader("http://www.example.com/1.gif", "Width", true, "500", 500);
+    expectHeader("http://www.example.com/1.gif", "Width", true, "667", 666.6666);
     expectHeader("http://www.example.com/1.gif", "DPR", false, "");
 }
 
-TEST_F(FrameFetchContextHintsTest, MonitorBothHints)
+TEST_F(FrameFetchContextHintsTest, MonitorViewportWidthHints)
+{
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", false, "");
+    ClientHintsPreferences preferences;
+    preferences.setShouldSendViewportWidth(true);
+    document->setClientHintsPreferences(preferences);
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", true, "500");
+    dummyPageHolder->frameView().setLayoutSizeFixedToFrameSize(false);
+    dummyPageHolder->frameView().setLayoutSize(IntSize(800, 800));
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", true, "800");
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", true, "800", 666.6666);
+    expectHeader("http://www.example.com/1.gif", "DPR", false, "");
+}
+
+TEST_F(FrameFetchContextHintsTest, MonitorAllHints)
 {
     expectHeader("http://www.example.com/1.gif", "DPR", false, "");
-    expectHeader("http://www.example.com/1.gif", "RW", false, "");
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", false, "");
+    expectHeader("http://www.example.com/1.gif", "Width", false, "");
 
     ClientHintsPreferences preferences;
     preferences.setShouldSendDPR(true);
-    preferences.setShouldSendRW(true);
+    preferences.setShouldSendResourceWidth(true);
+    preferences.setShouldSendViewportWidth(true);
     document->setClientHintsPreferences(preferences);
     expectHeader("http://www.example.com/1.gif", "DPR", true, "1");
-    expectHeader("http://www.example.com/1.gif", "RW", true, "500");
+    expectHeader("http://www.example.com/1.gif", "Width", true, "400", 400);
+    expectHeader("http://www.example.com/1.gif", "Viewport-Width", true, "500");
 }
 
 } // namespace