Add content::RenderWidgetHost::MouseEventCallback

content/browser/renderer_host/render_widget_host_unittest.cc

Index: content/browser/renderer_host/render_widget_host_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_unittest.cc b/content/browser/renderer_host/render_widget_host_unittest.cc
index 980fb666b945c98d02877ec51f1aee31a31891a9..1bf468f35022767a9cf6fc3c213cb63b61c707ea 100644
--- a/content/browser/renderer_host/render_widget_host_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_unittest.cc
@@ -20,6 +20,7 @@
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/port/browser/render_widget_host_view_port.h"
+#include "content/public/browser/mouse_listener.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -128,6 +129,27 @@ class MockKeyboardListener : public KeyboardListener {
   DISALLOW_COPY_AND_ASSIGN(MockKeyboardListener);
 };
 
+// MockMouseListener --------------------------------------------------------
+class MockMouseListener : public MouseListener {
+ public:
+  MockMouseListener()
+      : handle_mouse_event_(false) {
+  }
+  virtual ~MockMouseListener() {}
+
+  // MouseListener:
+  virtual bool HandleMouseEvent(const WebKit::WebMouseEvent& event) OVERRIDE {
+    return handle_mouse_event_;
+  }
+
+  void set_handle_mouse_event(bool handle) {
+    handle_mouse_event_ = handle;
+  }
+
+ private:
+  bool handle_mouse_event_;
+};
+
 // MockInputRouter -------------------------------------------------------------
 
 class MockInputRouter : public InputRouter {
@@ -2540,6 +2562,25 @@ TEST_F(RenderWidgetHostTest, KeyboardListenerSuppressFollowingEvents) {
   host_->RemoveKeyboardListener(keyboard_listener_.get());
 }
 
+TEST_F(RenderWidgetHostTest, MouseListenerCanHandleEvent) {
+  host_->SetupForInputRouterTest();
+
+  MockMouseListener mouse_listener;
+  host_->AddMouseListener(&mouse_listener);
+
+  mouse_listener.set_handle_mouse_event(true);
+  SimulateMouseEvent(WebInputEvent::MouseDown);
+
+  EXPECT_FALSE(host_->mock_input_router()->sent_mouse_event_);
+
+  mouse_listener.set_handle_mouse_event(false);
+  SimulateMouseEvent(WebInputEvent::MouseDown);
+
+  EXPECT_TRUE(host_->mock_input_router()->sent_mouse_event_);
+
+  host_->RemoveMouseListener(&mouse_listener);
+}
+
 TEST_F(RenderWidgetHostTest, InputRouterReceivesHandleInputEvent_ACK) {
   host_->SetupForInputRouterTest();