Remove static thread pointers from CC

cc/prioritized_texture.cc

Index: cc/prioritized_texture.cc
diff --git a/cc/prioritized_texture.cc b/cc/prioritized_texture.cc
index dddbe846ba08a0c4c36638ede87b058847cbe15d..ce6afcbd4530d0eb0c3d3e3182dff6cefbc4f634 100644
--- a/cc/prioritized_texture.cc
+++ b/cc/prioritized_texture.cc
@@ -146,7 +146,7 @@ CCPrioritizedTexture::Backing::~Backing()
 
 void CCPrioritizedTexture::Backing::deleteResource(CCResourceProvider* resourceProvider)
 {
-    DCHECK(CCProxy::isImplThread());
+    DCHECK(resourceProvider->proxy()->isImplThread());
     DCHECK(!m_resourceHasBeenDeleted);
 #ifndef NDEBUG
     DCHECK(resourceProvider == m_resourceProvider);
@@ -159,19 +159,19 @@ void CCPrioritizedTexture::Backing::deleteResource(CCResourceProvider* resourceP
 
 bool CCPrioritizedTexture::Backing::resourceHasBeenDeleted() const
 {
-    DCHECK(CCProxy::isImplThread());
+//    DCHECK(m_manager->proxy()->isImplThread());
     return m_resourceHasBeenDeleted;
 }
 
 bool CCPrioritizedTexture::Backing::canBeRecycled() const
 {
-    DCHECK(CCProxy::isImplThread());
+//    DCHECK(m_manager->proxy()->isImplThread());
     return !m_wasAbovePriorityCutoffAtLastPriorityUpdate && !m_inDrawingImplTree;
 }
 
 void CCPrioritizedTexture::Backing::updatePriority()
 {
-    DCHECK(CCProxy::isImplThread() && CCProxy::isMainThreadBlocked());
+//    DCHECK(m_manager->proxy()->isImplThread() && m_manager->proxy()->isMainThreadBlocked());
     if (m_owner) {
         m_priorityAtLastPriorityUpdate = m_owner->requestPriority();
         m_wasAbovePriorityCutoffAtLastPriorityUpdate = m_owner->isAbovePriorityCutoff();
@@ -183,7 +183,7 @@ void CCPrioritizedTexture::Backing::updatePriority()
 
 void CCPrioritizedTexture::Backing::updateInDrawingImplTree()
 {
-    DCHECK(CCProxy::isImplThread() && CCProxy::isMainThreadBlocked());
+//    DCHECK(m_manager->proxy()->isImplThread() && m_manager->proxy()->isMainThreadBlocked());
     m_inDrawingImplTree = !!owner();
     if (!m_inDrawingImplTree)
         DCHECK(m_priorityAtLastPriorityUpdate == CCPriorityCalculator::lowestPriority());