https://bugs.webkit.org/show_bug.cgi?id=65791

With this patch, LayerRendererChromium becomes increasingly responsible
for rendering, while render scheduling and tree hosting moves into the
CCLayerTreeHost.

Reviewed by James Robinson.

Source/WebCore:

* platform/graphics/chromium/ContentLayerChromium.cpp:
(WebCore::ContentLayerChromium::createTextureUpdaterIfNeeded):
* platform/graphics/chromium/LayerChromium.h:
* platform/graphics/chromium/LayerRendererChromium.cpp:
(WebCore::LayerRendererChromium::create):
(WebCore::LayerRendererChromium::LayerRendererChromium):
(WebCore::LayerRendererChromium::initialize):
(WebCore::LayerRendererChromium::releaseTextures):
(WebCore::LayerRendererChromium::updateRootLayerContents):
(WebCore::LayerRendererChromium::drawRootLayer):
(WebCore::LayerRendererChromium::invalidateRootLayerRect):
(WebCore::LayerRendererChromium::rootLayerChanged):
(WebCore::LayerRendererChromium::viewportChanged):
(WebCore::LayerRendererChromium::updateLayers):
(WebCore::LayerRendererChromium::drawLayers):
(WebCore::LayerRendererChromium::drawLayersInternal):
(WebCore::LayerRendererChromium::getFramebufferPixels):
(WebCore::LayerRendererChromium::getOffscreenLayerTexture):
(WebCore::LayerRendererChromium::copyOffscreenTextureToDisplay):
(WebCore::LayerRendererChromium::useRenderSurface):
(WebCore::LayerRendererChromium::setScissorToRect):
(WebCore::LayerRendererChromium::layerTreeAsText):
(WebCore::LayerRendererChromium::dumpRenderSurfaces):
* platform/graphics/chromium/LayerRendererChromium.h:
(WebCore::LayerRendererChromium::settings):
(WebCore::LayerRendererChromium::owner):
(WebCore::LayerRendererChromium::rootLayer):
(WebCore::LayerRendererChromium::skiaContext):
* platform/graphics/chromium/WebGLLayerChromium.cpp:
(WebCore::WebGLLayerChromium::setTextureUpdated):
* platform/graphics/chromium/cc/CCHeadsUpDisplay.cpp:
(WebCore::CCHeadsUpDisplay::draw):
(WebCore::CCHeadsUpDisplay::enabled):
* platform/graphics/chromium/cc/CCHeadsUpDisplay.h:
* platform/graphics/chromium/cc/CCLayerTreeHost.cpp:
(WebCore::CCLayerTreeHost::create):
(WebCore::CCLayerTreeHost::CCLayerTreeHost):
(WebCore::CCLayerTreeHost::initialize):
(WebCore::CCLayerTreeHost::animateAndLayout):
(WebCore::CCLayerTreeHost::createLayerTreeHostCommitter):
(WebCore::CCLayerTreeHost::createLayerTreeHostImpl):
(WebCore::CCLayerTreeHost::context):
(WebCore::CCLayerTreeHost::compositeAndReadback):
(WebCore::CCLayerTreeHost::createRootLayerPainter):
(WebCore::CCLayerTreeHost::finishAllRendering):
(WebCore::CCLayerTreeHost::invalidateRootLayerRect):
(WebCore::CCLayerTreeHost::setNeedsCommitAndRedraw):
(WebCore::CCLayerTreeHost::setNeedsRedraw):
(WebCore::CCLayerTreeHost::setRootLayer):
(WebCore::CCLayerTreeHost::setViewport):
(WebCore::CCLayerTreeHost::setVisible):
(WebCore::CCLayerTreeHost::doComposite):
(WebCore::CCLayerTreeHost::composite):
(WebCore::CCLayerTreeHost::reallocateRenderer):
* platform/graphics/chromium/cc/CCLayerTreeHost.h:
(WebCore::CCLayerTreeHost::animating):
(WebCore::CCLayerTreeHost::setAnimating):
(WebCore::CCLayerTreeHost::rootLayer):
(WebCore::CCLayerTreeHost::settings):
(WebCore::CCLayerTreeHost::viewportContentRect):
(WebCore::CCLayerTreeHost::viewportScrollPosition):
(WebCore::CCLayerTreeHost::viewportVisibleRect):
* platform/graphics/chromium/cc/CCLayerTreeHostImpl.cpp:
(WebCore::CCLayerTreeHostImpl::create):
(WebCore::CCLayerTreeHostImpl::CCLayerTreeHostImpl):
(WebCore::CCLayerTreeHostImpl::drawLayers):
(WebCore::CCLayerTreeHostImpl::drawLayersOnMainThread):
* platform/graphics/chromium/cc/CCLayerTreeHostImpl.h:
* platform/graphics/chromium/cc/CCLayerTreeHostImplProxy.cpp:
(WebCore::CCLayerTreeHostImplProxy::initImplOnCCThread):

Source/WebKit/chromium:

* src/WebViewImpl.cpp:
(WebKit::WebViewImpl::WebViewImpl):
(WebKit::WebViewImpl::resize):
(WebKit::WebViewImpl::animate):
(WebKit::WebViewImpl::doPixelReadbackToCanvas):
(WebKit::WebViewImpl::paint):
(WebKit::WebViewImpl::composite):
(WebKit::WebViewImpl::setRootPlatformLayer):
(WebKit::WebViewImpl::setRootLayerNeedsDisplay):
(WebKit::WebViewImpl::scrollRootLayerRect):
(WebKit::WebViewImpl::invalidateRootLayerRect):
(WebKit::getCompositorSettings):
(WebKit::WebViewImpl::setIsAcceleratedCompositingActive):
(WebKit::WebViewImpl::createRootLayerPainter):
(WebKit::WebViewImpl::animateAndLayout):
(WebKit::WebViewImpl::didRecreateGraphicsContext):
(WebKit::WebViewImpl::scheduleComposite):
(WebKit::WebViewImpl::updateLayerTreeViewport):
(WebKit::WebViewImpl::graphicsContext3D):
(WebKit::WebViewImpl::setVisibilityState):
* src/WebViewImpl.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@92895 268f45cc-cd09-0410-ab3c-d52691b4dbfc