Determine used fonts based on the correct font code path

third_party/WebKit/Source/core/inspector/InspectorCSSAgent.cpp

 /*
  * Copyright (C) 2010, 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 51 matching lines @@
 #include "core/inspector/InspectorState.h"
 #include "core/inspector/InstrumentingAgents.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutObjectInlines.h"
 #include "core/layout/LayoutText.h"
 #include "core/layout/LayoutTextFragment.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/page/Page.h"
 #include "platform/fonts/Font.h"
+#include "platform/fonts/FontCache.h"
 #include "platform/fonts/GlyphBuffer.h"
 #include "platform/fonts/shaping/SimpleShaper.h"
 #include "platform/text/TextRun.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringConcatenate.h"
 
 namespace {
 
 int s_frontendOperationCounter = 0;
@@ skipping 728 matching lines @@
 
     RefPtrWillBeRawPtr<CSSComputedStyleDeclaration> computedStyleInfo = CSSComputedStyleDeclaration::create(node, true);
     RefPtrWillBeRawPtr<InspectorStyle> inspectorStyle = InspectorStyle::create(computedStyleInfo, nullptr, nullptr);
     style = inspectorStyle->buildArrayForComputedStyle();
 }
 
 void InspectorCSSAgent::collectPlatformFontsForLayoutObject(LayoutObject* layoutObject, HashCountedSet<String>* fontStats)
 {
     if (!layoutObject->isText())
         return;
+
+    FontCachePurgePreventer preventer;
     LayoutText* layoutText = toLayoutText(layoutObject);
     for (InlineTextBox* box = layoutText->firstTextBox(); box; box = box->nextTextBox()) {
         const ComputedStyle& style = layoutText->styleRef(box->isFirstLineStyle());
         const Font& font = style.font();
         TextRun run = box->constructTextRunForInspector(style, font);
-        SimpleShaper shaper(&font, run);
+        TextRunPaintInfo paintInfo(run);
         GlyphBuffer glyphBuffer;
-        shaper.advance(run.length(), &glyphBuffer);
+        font.buildGlyphBuffer(paintInfo, glyphBuffer);
         for (unsigned i = 0; i < glyphBuffer.size(); ++i) {
             String familyName = glyphBuffer.fontDataAt(i)->platformData().fontFamilyName();
             if (familyName.isNull())
                 familyName = "";
             fontStats->add(familyName);
         }
     }
 }
 
 void InspectorCSSAgent::getPlatformFontsForNode(ErrorString* errorString, int nodeId,
@@ skipping 911 matching lines @@
     visitor->trace(m_documentToCSSStyleSheets);
     visitor->trace(m_invalidatedDocuments);
     visitor->trace(m_nodeToInspectorStyleSheet);
     visitor->trace(m_documentToViaInspectorStyleSheet);
 #endif
     visitor->trace(m_inspectorUserAgentStyleSheet);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink