Remove no-op did(De)activateCompositor calls

These have been removed in Chrome and do nothing.

R=jochen@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/298803009

git-svn-id: svn://svn.chromium.org/blink/trunk@175725 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/web/WebPagePopupImpl.cpp

@@ -266,10 +266,8 @@ void WebPagePopupImpl::setIsAcceleratedCompositingActive(bool enter)
 
     if (!enter) {
         m_isAcceleratedCompositingActive = false;
-        m_widgetClient->didDeactivateCompositor();
     } else if (m_layerTreeView) {
         m_isAcceleratedCompositingActive = true;
-        m_widgetClient->didActivateCompositor();
     } else {
         TRACE_EVENT0("webkit", "WebPagePopupImpl::setIsAcceleratedCompositingActive(true)");
 
@@ -277,12 +275,10 @@ void WebPagePopupImpl::setIsAcceleratedCompositingActive(bool enter)
         m_layerTreeView = m_widgetClient->layerTreeView();
         if (m_layerTreeView) {
             m_layerTreeView->setVisible(true);
-            m_widgetClient->didActivateCompositor();
             m_isAcceleratedCompositingActive = true;
             m_layerTreeView->setDeviceScaleFactor(m_widgetClient->deviceScaleFactor());
         } else {
             m_isAcceleratedCompositingActive = false;
-            m_widgetClient->didDeactivateCompositor();
         }
     }
 }

third_party/WebKit/Source/web/WebPopupMenuImpl.cpp

@@ -105,13 +105,10 @@ void WebPopupMenuImpl::initialize(FramelessScrollView* widget, const WebRect& bo
     m_layerTreeView = m_client->layerTreeView();
     if (m_layerTreeView) {
         m_layerTreeView->setVisible(true);
-        m_client->didActivateCompositor();
         m_layerTreeView->setDeviceScaleFactor(m_client->deviceScaleFactor());
         m_rootLayer = adoptPtr(Platform::current()->compositorSupport()->createContentLayer(this));
         m_rootLayer->layer()->setBounds(m_size);
         m_layerTreeView->setRootLayer(*m_rootLayer->layer());
-    } else {
-        m_client->didDeactivateCompositor();
     }
 }
 

third_party/WebKit/Source/web/WebViewImpl.cpp

@@ -3854,7 +3854,6 @@ void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
 
     if (!active) {
         m_isAcceleratedCompositingActive = false;
-        m_client->didDeactivateCompositor();
         if (!m_layerTreeViewCommitsDeferred
             && blink::Platform::current()->isThreadedCompositingEnabled()) {
             ASSERT(m_layerTreeView);
@@ -3869,8 +3868,6 @@ void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
         updateLayerTreeViewport();
         if (m_pageOverlays)
             m_pageOverlays->update();
-
-        m_client->didActivateCompositor();
     } else {
         TRACE_EVENT0("webkit", "WebViewImpl::setIsAcceleratedCompositingActive(true)");
 
@@ -3891,7 +3888,6 @@ void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
                 m_layerTreeView->setOverhangBitmap(overhangImage->nativeImageForCurrentFrame()->bitmap());
 #endif
             updateLayerTreeViewport();
-            m_client->didActivateCompositor();
             m_isAcceleratedCompositingActive = true;
             if (m_pageOverlays)
                 m_pageOverlays->update();
@@ -3908,7 +3904,6 @@ void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
             // crbug.com/322276 and crbug.com/364716.
             ASSERT(m_client->allowsBrokenNullLayerTreeView());
             m_isAcceleratedCompositingActive = false;
-            m_client->didDeactivateCompositor();
             m_page->settings().setAcceleratedCompositingEnabled(false);
             m_page->updateAcceleratedCompositingSettings();
         }

third_party/WebKit/public/web/WebWidgetClient.h

@@ -58,10 +58,6 @@ public:
     // Called when the Widget has changed size as a result of an auto-resize.
     virtual void didAutoResize(const WebSize& newSize) { }
 
-    // Called when the compositor is enabled or disabled.
-    virtual void didActivateCompositor() { }
-    virtual void didDeactivateCompositor() { }
-
     // Attempt to initialize compositing for this widget. If this is successful,
     // layerTreeView() will return a valid WebLayerTreeView.
     virtual void initializeLayerTreeView() { }