Don't process messages sent to dead routing ids.

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 132 matching lines @@
   void Copy() override {}
   void Paste() override {}
   void SelectAll() override {}
 };
 
 class MockRenderWidgetHostImpl : public RenderWidgetHostImpl {
  public:
   MockRenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
                            RenderProcessHost* process,
                            int32_t routing_id)
-      : RenderWidgetHostImpl(delegate, process, routing_id, false) {}
+      : RenderWidgetHostImpl(delegate, process, routing_id, false) {
+    set_renderer_initialized(true);
+  }
 
   MOCK_METHOD0(Focus, void());
   MOCK_METHOD0(Blur, void());
 };
 
 // Generates the |length| of composition rectangle vector and save them to
 // |output|. It starts from |origin| and each rectangle contains |unit_size|.
 void GenerateCompositionRectArray(const gfx::Point& origin,
                                   const gfx::Size& unit_size,
                                   size_t length,
@@ skipping 583 matching lines @@
   EXPECT_EQ(gfx::Range(), gfx::Range(actual_range));
 }
 
 // Verify that |SetActive()| calls |RenderWidgetHostImpl::Blur()| and
 // |RenderWidgetHostImp::Focus()|.
 TEST_F(RenderWidgetHostViewMacTest, BlurAndFocusOnSetActive) {
   MockRenderWidgetHostDelegate delegate;
   TestBrowserContext browser_context;
   MockRenderProcessHost* process_host =
       new MockRenderProcessHost(&browser_context);
+  process_host->Init();
 
   // Owned by its |cocoa_view()|.
   int32_t routing_id = process_host->GetNextRoutingID();
   MockRenderWidgetHostImpl* rwh =
       new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(rwh, false);
 
   base::scoped_nsobject<CocoaTestHelperWindow> window(
       [[CocoaTestHelperWindow alloc] init]);
   [[window contentView] addSubview:view->cocoa_view()];
@@ skipping 34 matching lines @@
   // out |OnMessageReceived()|.
   TestBrowserContext browser_context;
   MockRenderProcessHost* process_host =
       new MockRenderProcessHost(&browser_context);
   process_host->Init();
   MockRenderWidgetHostDelegate delegate;
   int32_t routing_id = process_host->GetNextRoutingID();
   MockRenderWidgetHostImpl* host =
       new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(host, false);
+  process_host->sink().ClearMessages();
 
   // Send an initial wheel event with NSEventPhaseBegan to the view.
   NSEvent* event1 = MockScrollWheelEventWithPhase(@selector(phaseBegan), 0);
   [view->cocoa_view() scrollWheel:event1];
   ASSERT_EQ(1U, process_host->sink().message_count());
 
   // Send an ACK for the first wheel event, so that the queue will be flushed.
   InputEventAck ack(blink::WebInputEvent::MouseWheel,
                     INPUT_EVENT_ACK_STATE_CONSUMED);
   scoped_ptr<IPC::Message> response(
@@ skipping 21 matching lines @@
   // out |OnMessageReceived()|.
   TestBrowserContext browser_context;
   MockRenderProcessHost* process_host =
       new MockRenderProcessHost(&browser_context);
   process_host->Init();
   MockRenderWidgetHostDelegate delegate;
   int32_t routing_id = process_host->GetNextRoutingID();
   MockRenderWidgetHostImpl* host =
       new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(host, false);
+  process_host->sink().ClearMessages();
 
   // Add a delegate to the view.
   base::scoped_nsobject<MockRenderWidgetHostViewMacDelegate> view_delegate(
       [[MockRenderWidgetHostViewMacDelegate alloc] init]);
   view->SetDelegate(view_delegate.get());
 
   // Send an initial wheel event for scrolling by 3 lines.
   NSEvent* event1 = MockScrollWheelEventWithPhase(@selector(phaseBegan), 3);
   [view->cocoa_view() scrollWheel:event1];
   ASSERT_EQ(1U, process_host->sink().message_count());
@@ skipping 27 matching lines @@
   host->ShutdownAndDestroyWidget(true);
 }
 
 // Tests that when view initiated shutdown happens (i.e. RWHView is deleted
 // before RWH), we clean up properly and don't leak the RWHVGuest.
 TEST_F(RenderWidgetHostViewMacTest, GuestViewDoesNotLeak) {
   MockRenderWidgetHostDelegate delegate;
   TestBrowserContext browser_context;
   MockRenderProcessHost* process_host =
       new MockRenderProcessHost(&browser_context);
+  process_host->Init();
   int32_t routing_id = process_host->GetNextRoutingID();
 
   // Owned by its |cocoa_view()|.
   MockRenderWidgetHostImpl* rwh =
       new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(rwh, true);
 
   // Add a delegate to the view.
   base::scoped_nsobject<MockRenderWidgetHostViewMacDelegate> view_delegate(
       [[MockRenderWidgetHostViewMacDelegate alloc] init]);
@@ skipping 22 matching lines @@
   ASSERT_FALSE(guest_rwhv_weak.get());
 }
 
 // Tests setting background transparency. See also (disabled on Mac)
 // RenderWidgetHostTest.Background. This test has some additional checks for
 // Mac.
 TEST_F(RenderWidgetHostViewMacTest, Background) {
   TestBrowserContext browser_context;
   MockRenderProcessHost* process_host =
       new MockRenderProcessHost(&browser_context);
+  process_host->Init();
   MockRenderWidgetHostDelegate delegate;
   int32_t routing_id = process_host->GetNextRoutingID();
   MockRenderWidgetHostImpl* host =
       new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(host, false);
 
   EXPECT_TRUE(view->GetBackgroundOpaque());
   EXPECT_TRUE([view->cocoa_view() isOpaque]);
 
   view->SetBackgroundColor(SK_ColorTRANSPARENT);
@@ skipping 62 matching lines @@
   // the MockRenderProcessHost that is set up by the test harness which mocks
   // out |OnMessageReceived()|.
   TestBrowserContext browser_context;
   process_host_ = new MockRenderProcessHost(&browser_context);
   process_host_->Init();
   MockRenderWidgetHostDelegate delegate;
   int32_t routing_id = process_host_->GetNextRoutingID();
   MockRenderWidgetHostImpl* host =
       new MockRenderWidgetHostImpl(&delegate, process_host_, routing_id);
   RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(host, false);
+  process_host_->sink().ClearMessages();
 
   // We'll use this IPC message to ack events.
   InputEventAck ack(blink::WebInputEvent::GesturePinchUpdate,
                     INPUT_EVENT_ACK_STATE_CONSUMED);
   scoped_ptr<IPC::Message> response(
       new InputHostMsg_HandleInputEvent_ACK(0, ack));
 
   // Do a gesture that crosses the threshold.
   {
     NSEvent* pinchBeginEvent =
@@ skipping 87 matching lines @@
     EXPECT_EQ(1U, process_host_->sink().message_count());
     process_host_->sink().ClearMessages();
   }
 
   // Clean up.
   host->ShutdownAndDestroyWidget(true);
 }
 
 
 }  // namespace content