DevTools: Add support for //# sourceURL (sourceMappingURL) comments and deprecate //@ ones

Source/core/inspector/InspectorStyleSheet.cpp

Index: Source/core/inspector/InspectorStyleSheet.cpp
diff --git a/Source/core/inspector/InspectorStyleSheet.cpp b/Source/core/inspector/InspectorStyleSheet.cpp
index 1d86681f4b08d804c0710d5867827eb3276818ec..22329b4c69adc2a2c15bc0667346f4596186f7e7 100644
--- a/Source/core/inspector/InspectorStyleSheet.cpp
+++ b/Source/core/inspector/InspectorStyleSheet.cpp
@@ -55,6 +55,7 @@
 #include "core/inspector/InspectorPageAgent.h"
 #include "core/inspector/InspectorValues.h"
 #include "core/page/ContentSecurityPolicy.h"
+#include "core/page/PageConsole.h"
 #include "core/platform/text/RegularExpression.h"
 
 #include <wtf/OwnPtr.h>
@@ -1485,10 +1486,13 @@ String InspectorStyleSheet::sourceURL() const
     String styleSheetText;
     bool success = getText(&styleSheetText);
     if (success) {
-        String commentValue = ContentSearchUtils::findSourceURL(styleSheetText, ContentSearchUtils::CSSMagicComment);
+        bool deprecated;
+        String commentValue = ContentSearchUtils::findSourceURL(styleSheetText, ContentSearchUtils::CSSMagicComment, &deprecated);
         if (!commentValue.isEmpty()) {
+            if (deprecated)
+                m_pageAgent->page()->console()->addMessage(NetworkMessageSource, WarningMessageLevel, "\"/*@ sourceURL=\" source url declaration is deprecated, \"/*# sourceURL=\" declaration should be used instead.", finalURL(), 0);

[apavlov, 2013/05/29 13:58:05]

We need a kind of utility for this :(

             m_sourceURL = commentValue;
-            return m_sourceURL;
+            return commentValue;
         }
     }
     m_sourceURL = "";
@@ -1530,26 +1534,21 @@ bool InspectorStyleSheet::startsAtZero() const
 
 String InspectorStyleSheet::sourceMapURL() const
 {
-    DEFINE_STATIC_LOCAL(String, sourceMapHttpHeader, (ASCIILiteral("X-SourceMap")));
-
     if (m_origin != TypeBuilder::CSS::StyleSheetOrigin::Regular)
         return String();
 
     String styleSheetText;
     bool success = getText(&styleSheetText);
     if (success) {
-        String commentValue = ContentSearchUtils::findSourceMapURL(styleSheetText, ContentSearchUtils::CSSMagicComment);
-        if (!commentValue.isEmpty())
+        bool deprecated;
+        String commentValue = ContentSearchUtils::findSourceMapURL(styleSheetText, ContentSearchUtils::CSSMagicComment, &deprecated);
+        if (!commentValue.isEmpty()) {
+            if (deprecated)
+                m_pageAgent->page()->console()->addMessage(NetworkMessageSource, WarningMessageLevel, "\"/*@ sourceMapURL=\" source mapping url declaration is deprecated, \"/*# sourceMapURL=\" declaration should be used instead.", finalURL(), 0);
             return commentValue;
+        }
     }
-
-    if (finalURL().isEmpty())
-        return String();
-
-    CachedResource* resource = m_pageAgent->cachedResource(m_pageAgent->mainFrame(), KURL(ParsedURLString, finalURL()));
-    if (resource)
-        return resource->response().httpHeaderField(sourceMapHttpHeader);
-    return String();
+    return m_pageAgent->resourceSourceMapURL(finalURL());
 }
 
 InspectorCSSId InspectorStyleSheet::ruleOrStyleId(CSSStyleDeclaration* style) const