Raise an infobar and deny access to WebGL if a GPU reset was detected while a web page containing W…

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index 0611555a391cdb3ac8cd9df7eac5f27b05e77ce0..ef04d1569927369efb5005d64d1e248853274c56 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -20,6 +20,7 @@
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/download/download_stats.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/plugin_process_host.h"
 #include "content/browser/plugin_service_impl.h"
 #include "content/browser/ppapi_plugin_process_host.h"
@@ -27,6 +28,7 @@
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
+#include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/desktop_notification_messages.h"
@@ -55,6 +57,8 @@
 #include "net/http/http_cache.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
+#include "third_party/khronos/GLES2/gl2.h"
+#include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNotificationPresenter.h"
 #include "ui/gfx/color_profile.h"
 #include "webkit/glue/webcookie.h"
@@ -191,6 +195,22 @@ class OpenChannelToPpapiBrokerCallback
   int request_id_;
 };
 
+void RaiseInfobarForBlocked3DContentOnUIThread(
+    int render_process_id,
+    int render_view_id,
+    const GURL& url,
+    content::ThreeDAPIType requester) {
+  RenderViewHost* rvh = RenderViewHost::FromID(
+      render_process_id, render_view_id);
+  if (!rvh)
+    return;
+  WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
+      WebContents::FromRenderViewHost(rvh));
+  if (!web_contents)
+    return;
+  web_contents->DidBlock3DAPIs(url, requester);
+}
+
 }  // namespace
 
 class RenderMessageFilter::OpenChannelToNpapiPluginCallback
@@ -394,6 +414,8 @@ bool RenderMessageFilter::OnMessageReceived(const IPC::Message& message,
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetMonitorColorProfile,
                         OnGetMonitorColorProfile)
     IPC_MESSAGE_HANDLER(ViewHostMsg_MediaLogEvent, OnMediaLogEvent)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_Are3DAPIsBlocked, OnAre3DAPIsBlocked)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_DidLose3DContext, OnDidLose3DContext)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
@@ -1024,4 +1046,40 @@ void RenderMessageFilter::OnUpdateIsDelayed(const IPC::Message& msg) {
   render_widget_helper_->DidReceiveBackingStoreMsg(msg);
 }
 
+void RenderMessageFilter::OnAre3DAPIsBlocked(int render_view_id,
+                                             const GURL& url,
+                                             content::ThreeDAPIType requester,
+                                             bool* blocked) {
+  content::GpuDataManagerImpl::DomainBlockStatus block_status =

[jam, 2012/11/15 16:57:25]

nit: no "content::" here and below

[Ken Russell (switch to Gerrit), 2012/11/15 20:53:25]

Done.

+      content::GpuDataManagerImpl::GetInstance()->Are3DAPIsBlocked(url);
+  *blocked = (block_status !=
+              content::GpuDataManagerImpl::DOMAIN_BLOCK_STATUS_NOT_BLOCKED);
+  if (*blocked) {
+    BrowserThread::PostTask(
+        BrowserThread::UI, FROM_HERE,
+        base::Bind(&RaiseInfobarForBlocked3DContentOnUIThread,
+                   render_process_id_, render_view_id, url, requester));
+  }
+}
+
+void RenderMessageFilter::OnDidLose3DContext(
+    const GURL& url,
+    content::ThreeDAPIType /* unused */,
+    int arb_robustness_status_code) {
+  content::GpuDataManagerImpl::DomainGuilt guilt;
+  switch (arb_robustness_status_code) {
+    case GL_GUILTY_CONTEXT_RESET_ARB:
+      guilt = content::GpuDataManagerImpl::DOMAIN_GUILT_KNOWN;
+      break;
+    case GL_UNKNOWN_CONTEXT_RESET_ARB:
+      guilt = content::GpuDataManagerImpl::DOMAIN_GUILT_UNKNOWN;
+      break;
+    default:
+      // Ignore lost contexts known to be innocent.
+      return;
+  }
+
+  content::GpuDataManagerImpl::GetInstance()->BlockDomainFrom3DAPIs(url, guilt);
+}
+
 }  // namespace content