<webview>: First stab at implementing media permission request for guests.

content/renderer/browser_plugin/browser_plugin_bindings.cc

Index: content/renderer/browser_plugin/browser_plugin_bindings.cc
diff --git a/content/renderer/browser_plugin/browser_plugin_bindings.cc b/content/renderer/browser_plugin/browser_plugin_bindings.cc
index 177ffaa008952281b452b94f6be375b17b60b717..3db65d415d5f825b97e672bfd84b682849c7bc7e 100644
--- a/content/renderer/browser_plugin/browser_plugin_bindings.cc
+++ b/content/renderer/browser_plugin/browser_plugin_bindings.cc
@@ -43,6 +43,7 @@ const char kMethodForward[] = "forward";
 const char kMethodGetProcessId[] = "getProcessId";
 const char kMethodGo[] = "go";
 const char kMethodReload[] = "reload";
+const char kMethodSetMediaPermission[] = "setMediaPermission";
 const char kMethodStop[] = "stop";
 const char kMethodTerminate[] = "terminate";
 
@@ -368,6 +369,26 @@ class BrowserPluginBindingStop : public BrowserPluginMethodBinding {
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingStop);
 };
 
+class BrowserPluginBindingSetMediaPermission
+    : public BrowserPluginMethodBinding {
+ public:
+  BrowserPluginBindingSetMediaPermission()
+      : BrowserPluginMethodBinding(kMethodSetMediaPermission, 2) {
+  }
+
+  virtual bool Invoke(BrowserPluginBindings* bindings,
+                      const NPVariant* args,
+                      NPVariant* result) OVERRIDE {
+    int request_id = Int32FromNPVariant(args[0]);
+    bool allow = NPVARIANT_TO_BOOLEAN(args[1]);
+    bindings->instance()->RespondMediaAccess(request_id, allow);
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingSetMediaPermission);
+};
+
 class BrowserPluginBindingTerminate : public BrowserPluginMethodBinding {
  public:
   BrowserPluginBindingTerminate()
@@ -644,6 +665,7 @@ BrowserPluginBindings::BrowserPluginBindings(BrowserPlugin* instance)
   method_bindings_.push_back(new BrowserPluginBindingReload);
   method_bindings_.push_back(new BrowserPluginBindingStop);
   method_bindings_.push_back(new BrowserPluginBindingTerminate);
+  method_bindings_.push_back(new BrowserPluginBindingSetMediaPermission);
 
   property_bindings_.push_back(new BrowserPluginPropertyBindingAutoSize);
   property_bindings_.push_back(new BrowserPluginPropertyBindingContentWindow);