Implement WebViewClient::createGraphicsContext3D (and support for DRT)

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index f7e5af513c6b91884f2798c96ba4771f1f1ee940..1a7fd5c69525200c0c88babe67c35d807d297b02 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -156,6 +156,7 @@
 #include "webkit/glue/webkit_constants.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/glue/weburlloader_impl.h"
+#include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 #include "webkit/media/webmediaplayer_impl.h"
 #include "webkit/plugins/npapi/plugin_list.h"
 #include "webkit/plugins/npapi/webplugin_delegate.h"
@@ -201,6 +202,7 @@ using WebKit::WebFindOptions;
 using WebKit::WebFormControlElement;
 using WebKit::WebFormElement;
 using WebKit::WebFrame;
+using WebKit::WebGraphicsContext3D;
 using WebKit::WebHistoryItem;
 using WebKit::WebIconURL;
 using WebKit::WebImage;
@@ -1431,6 +1433,30 @@ WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace(
                                              session_storage_namespace_id_);
 }
 
+WebGraphicsContext3D* RenderViewImpl::createGraphicsContext3D(
+    WebGraphicsContext3D::Attributes attributes,
+    bool direct) {
+  if (!webview())
+    return NULL;
+  // The WebGraphicsContext3DInProcessImpl code path is used for
+  // layout tests (though not through this code) as well as for
+  // debugging and bringing up new ports.
+  scoped_ptr<WebGraphicsContext3D> context;
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessWebGL)) {
+    context.reset(new webkit::gpu::WebGraphicsContext3DInProcessImpl(
+        gfx::kNullPluginWindow, NULL));
+  } else {
+#if defined(ENABLE_GPU)
+    context.reset(new WebGraphicsContext3DCommandBufferImpl());
+#else
+    return NULL;
+#endif
+  }
+  if (!context->initialize(attributes, webview(), direct))
+    return NULL;
+  return context.release();
+}
+
 void RenderViewImpl::didAddMessageToConsole(
     const WebConsoleMessage& message, const WebString& source_name,
     unsigned source_line) {