Enable disabling WebCore::GraphicsContext in telemetry.

Plumb a flag through from telemetry tests to the layer
painting code that disables the WebCore::GraphicsContext.
This allows us to isolate the various systems that paint
web content in Chromium.

R=nduca@chromium.org,skyostil@chromium.org
BUG=350684

Review URL: https://codereview.chromium.org/253013003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@267913 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 2 deletions

diff --git a/cc/layers/content_layer.cc b/cc/layers/content_layer.cc
index 7e0bee8..14a5864 100644
--- a/cc/layers/content_layer.cc
+++ b/cc/layers/content_layer.cc
@@ -28,7 +28,10 @@ void ContentLayerPainter::Paint(SkCanvas* canvas,
                                 const gfx::Rect& content_rect,
                                 gfx::RectF* opaque) {
   base::TimeTicks paint_start = base::TimeTicks::HighResNow();
-  client_->PaintContents(canvas, content_rect, opaque);
+  client_->PaintContents(canvas,
+                         content_rect,
+                         opaque,
+                         ContentLayerClient::GRAPHICS_CONTEXT_ENABLED);
   base::TimeTicks paint_end = base::TimeTicks::HighResNow();
   // The start and end times might be the same if the paint was very fast or if
   // our timer granularity is poor. Treat this as a very short time duration
@@ -163,7 +166,10 @@ skia::RefPtr<SkPicture> ContentLayer::GetPicture() const {
 
   SkPictureRecorder recorder;
   SkCanvas* canvas = recorder.beginRecording(width, height, NULL, 0);
-  client_->PaintContents(canvas, gfx::Rect(width, height), &opaque);
+  client_->PaintContents(canvas,
+                         gfx::Rect(width, height),
+                         &opaque,
+                         ContentLayerClient::GRAPHICS_CONTEXT_ENABLED);
   skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
   return picture;
 }