Respect the clipboardRead and clipboardWrite permissions in content scripts.

extensions/renderer/script_context.h

Index: extensions/renderer/script_context.h
diff --git a/extensions/renderer/script_context.h b/extensions/renderer/script_context.h
index 4b663670bbd8794055e5eadf47d9b99514bc6040..88b596adfa1adf4a1eb9be4bf70cced3cf66100d 100644
--- a/extensions/renderer/script_context.h
+++ b/extensions/renderer/script_context.h
@@ -35,7 +35,9 @@ class ScriptContext : public RequestSender::Source, public gin::Runner {
   ScriptContext(const v8::Handle<v8::Context>& context,
                 blink::WebFrame* frame,
                 const Extension* extension,
-                Feature::Context context_type);
+                Feature::Context context_type,
+                const Extension* effective_extension,
+                Feature::Context effective_context_type);
   virtual ~ScriptContext();
 
   // Clears the WebFrame for this contexts and invalidates the associated
@@ -52,10 +54,18 @@ class ScriptContext : public RequestSender::Source, public gin::Runner {
 
   const Extension* extension() const { return extension_.get(); }
 
+  const Extension* effective_extension() const {
+    return effective_extension_.get();
+  }
+
   blink::WebFrame* web_frame() const { return web_frame_; }
 
   Feature::Context context_type() const { return context_type_; }
 
+  Feature::Context effective_context_type() const {
+    return effective_context_type_;
+  }
+
   void set_module_system(scoped_ptr<ModuleSystem> module_system) {
     module_system_ = module_system.Pass();
   }
@@ -97,6 +107,9 @@ class ScriptContext : public RequestSender::Source, public gin::Runner {
   // Returns a string description of the type of context this is.
   std::string GetContextTypeDescription();
 
+  // Returns a string description of the effective type of context this is.
+  std::string GetEffectiveContextTypeDescription();
+
   v8::Isolate* isolate() const { return isolate_; }
 
   // Get the URL of this context's web frame.
@@ -152,6 +165,14 @@ class ScriptContext : public RequestSender::Source, public gin::Runner {
   // The type of context.
   Feature::Context context_type_;
 
+  // The effective extension associated with this context, or NULL if there is
+  // none. This is different from the above extension if this context is in an
+  // about:blank iframe for example.
+  scoped_refptr<const Extension> effective_extension_;
+
+  // The type of context.
+  Feature::Context effective_context_type_;
+
   // Owns and structures the JS that is injected to set up extension bindings.
   scoped_ptr<ModuleSystem> module_system_;