Renderer changes for wiring up shared memory with declarative injection

chrome/browser/extensions/api/declarative_content/content_action.h

Index: chrome/browser/extensions/api/declarative_content/content_action.h
diff --git a/chrome/browser/extensions/api/declarative_content/content_action.h b/chrome/browser/extensions/api/declarative_content/content_action.h
index ab191c3e2c174f9316efc34366023a3aa6d0ada1..40daa7aa1ed6cae1e3778f7ea2362efa82aa3422 100644
--- a/chrome/browser/extensions/api/declarative_content/content_action.h
+++ b/chrome/browser/extensions/api/declarative_content/content_action.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/api/declarative/declarative_rule.h"
+#include "chrome/browser/extensions/declarative_user_script_master.h"
 
 class Profile;
 
@@ -70,11 +71,97 @@ class ContentAction : public base::RefCounted<ContentAction> {
       std::string* error,
       bool* bad_message);
 
+  // Shared procedure for resetting error state within factories.
+  static void ResetErrorData(std::string* error, bool* bad_message) {
+    *error = "";
+    *bad_message = false;
+  }
+
+  // Shared procedure for validating JSON data.
+  static bool Validate(const base::Value& json_action,
+                       std::string* error,
+                       bool* bad_message,
+                       const base::DictionaryValue** action_dict,
+                       std::string* instance_type);
+
  protected:
   friend class base::RefCounted<ContentAction>;
   virtual ~ContentAction();
 };
 
+// Action that injects a content script.
+class RequestContentScript : public ContentAction {
+ public:
+  struct ScriptData {
+    ScriptData();
+    ~ScriptData();
+
+    std::vector<std::string> css_file_names;
+    std::vector<std::string> js_file_names;
+    bool all_frames;
+    bool match_about_blank;
+  };
+
+  RequestContentScript(content::BrowserContext* browser_context,
+                       const Extension* extension,
+                       const ScriptData& script_data);
+  RequestContentScript(DeclarativeUserScriptMaster* master,
+                       const Extension* extension,
+                       const ScriptData& script_data);
+
+  static scoped_refptr<ContentAction> Create(
+      content::BrowserContext* browser_context,
+      const Extension* extension,
+      const base::DictionaryValue* dict,
+      std::string* error,
+      bool* bad_message);
+
+  static scoped_refptr<ContentAction> CreateForTest(
+      DeclarativeUserScriptMaster* master,
+      const Extension* extension,
+      const base::Value& json_action,
+      std::string* error,
+      bool* bad_message);
+
+  static bool InitScriptData(const base::DictionaryValue* dict,
+                             std::string* error,
+                             bool* bad_message,
+                             ScriptData* script_data);
+
+  // Implementation of ContentAction:
+  virtual Type GetType() const OVERRIDE;
+
+  virtual void Apply(const std::string& extension_id,
+                     const base::Time& extension_install_time,
+                     ApplyInfo* apply_info) const OVERRIDE;
+
+  virtual void Reapply(const std::string& extension_id,
+                       const base::Time& extension_install_time,
+                       ApplyInfo* apply_info) const OVERRIDE;
+
+  virtual void Revert(const std::string& extension_id,
+                      const base::Time& extension_install_time,
+                      ApplyInfo* apply_info) const OVERRIDE;
+
+ private:
+  void InitScript(const Extension* extension, const ScriptData& script_data);
+
+  void AddScript() {
+    DCHECK(master_);
+    master_->AddScript(script_);
+  }
+
+  virtual ~RequestContentScript();
+
+  void InstructRenderProcessToInject(content::WebContents* contents,
+                                     const std::string& extension_id) const;
+
+  UserScript script_;
+  DeclarativeUserScriptMaster* master_;
+
+  DISALLOW_COPY_AND_ASSIGN(RequestContentScript);
+};
+
 typedef DeclarativeActionSet<ContentAction> ContentActionSet;
 
 }  // namespace extensions