Delegating the "are images allowed" decision to renderer.

chrome/common/content_settings_pattern.h

Index: chrome/common/content_settings_pattern.h
diff --git a/chrome/common/content_settings_pattern.h b/chrome/common/content_settings_pattern.h
index 7838141046611aa76d7be807213cb0e66bb1bb21..a93f3a989150939a40c0c9ea65d17329bce5d322 100644
--- a/chrome/common/content_settings_pattern.h
+++ b/chrome/common/content_settings_pattern.h
@@ -145,11 +145,7 @@ class ContentSettingsPattern {
   // Returns true if the pattern has a higher priority than the |other| pattern.
   bool operator>(const ContentSettingsPattern& other) const;
 
- private:
-  friend class content_settings::PatternParser;
-  friend class ContentSettingsPatternParserTest_SerializePatterns_Test;
-  friend class Builder;
-
+  // Public for serializing and sending |ContentSettingsPattern| over IPC.
   struct PatternParts {
     PatternParts();
     ~PatternParts();
@@ -183,6 +179,13 @@ class ContentSettingsPattern {
     // scheme part.
     std::string path;
   };
+  PatternParts parts_;
+  bool is_valid_;
+
+ private:
+  friend class content_settings::PatternParser;
+  friend class ContentSettingsPatternParserTest_SerializePatterns_Test;
+  friend class Builder;
 
   class Builder : public BuilderInterface {
     public:
@@ -241,10 +244,6 @@ class ContentSettingsPattern {
   static bool Validate(const PatternParts& parts);
 
   ContentSettingsPattern(const PatternParts& parts, bool valid);
-
-  PatternParts parts_;
-
-  bool is_valid_;
 };
 
 // Stream operator so ContentSettingsPattern can be used in assertion