Remove static thread pointers from CC

cc/layer_tree_host.cc

Index: cc/layer_tree_host.cc
diff --git a/cc/layer_tree_host.cc b/cc/layer_tree_host.cc
index ebc998ed856ed26077d979a67eb4c0e403b75039..41ae9b724ae9e75fcfb684d77716f6bb0c8b1ae6 100644
--- a/cc/layer_tree_host.cc
+++ b/cc/layer_tree_host.cc
@@ -82,10 +82,10 @@ bool LayerTreeHost::anyLayerTreeHostInstanceExists()
     return numLayerTreeInstances > 0;
 }
 
-scoped_ptr<LayerTreeHost> LayerTreeHost::create(LayerTreeHostClient* client, const LayerTreeSettings& settings)
+scoped_ptr<LayerTreeHost> LayerTreeHost::create(LayerTreeHostClient* client, const LayerTreeSettings& settings, Thread* implThread)
 {
     scoped_ptr<LayerTreeHost> layerTreeHost(new LayerTreeHost(client, settings));
-    if (!layerTreeHost->initialize())
+    if (!layerTreeHost->initialize(implThread))
         return scoped_ptr<LayerTreeHost>();
     return layerTreeHost.Pass();
 }
@@ -111,16 +111,15 @@ LayerTreeHost::LayerTreeHost(LayerTreeHostClient* client, const LayerTreeSetting
     , m_hasTransparentBackground(false)
     , m_partialTextureUpdateRequests(0)
 {
-    DCHECK(Proxy::isMainThread());
     numLayerTreeInstances++;
 }
 
-bool LayerTreeHost::initialize()
+bool LayerTreeHost::initialize(Thread* implThread)
 {
     TRACE_EVENT0("cc", "LayerTreeHost::initialize");
 
-    if (Proxy::hasImplThread())
-        m_proxy = ThreadProxy::create(this);
+    if (implThread)
+        m_proxy = ThreadProxy::create(this, implThread);
     else
         m_proxy = SingleThreadProxy::create(this);
     m_proxy->start();
@@ -132,11 +131,10 @@ LayerTreeHost::~LayerTreeHost()
 {
     if (m_rootLayer)
         m_rootLayer->setLayerTreeHost(0);
-    DCHECK(Proxy::isMainThread());
-    TRACE_EVENT0("cc", "LayerTreeHost::~LayerTreeHost");
     DCHECK(m_proxy.get());
+    DCHECK(m_proxy->isMainThread());
+    TRACE_EVENT0("cc", "LayerTreeHost::~LayerTreeHost");
     m_proxy->stop();
-    m_proxy.reset();
     numLayerTreeInstances--;
     RateLimiterMap::iterator it = m_rateLimiters.begin();
     if (it != m_rateLimiters.end())
@@ -163,7 +161,7 @@ void LayerTreeHost::initializeRenderer()
     // Update m_settings based on partial update capability.
     m_settings.maxPartialTextureUpdates = min(m_settings.maxPartialTextureUpdates, m_proxy->maxPartialTextureUpdates());
 
-    m_contentsTextureManager = PrioritizedTextureManager::create(0, m_proxy->rendererCapabilities().maxTextureSize, Renderer::ContentPool);
+    m_contentsTextureManager = PrioritizedTextureManager::create(0, m_proxy->rendererCapabilities().maxTextureSize, Renderer::ContentPool, m_proxy.get());
     m_surfaceMemoryPlaceholder = m_contentsTextureManager->createTexture(IntSize(), GL_RGBA);
 
     m_rendererInitialized = true;
@@ -198,7 +196,7 @@ LayerTreeHost::RecreateResult LayerTreeHost::recreateContext()
         // FIXME: The single thread does not self-schedule context
         // recreation. So force another recreation attempt to happen by requesting
         // another commit.
-        if (!Proxy::hasImplThread())
+        if (!m_proxy->hasImplThread())
             setNeedsCommit();
         return RecreateFailedButTryAgain;
     }
@@ -211,14 +209,14 @@ LayerTreeHost::RecreateResult LayerTreeHost::recreateContext()
 
 void LayerTreeHost::deleteContentsTexturesOnImplThread(ResourceProvider* resourceProvider)
 {
-    DCHECK(Proxy::isImplThread());
+    DCHECK(m_proxy->isImplThread());
     if (m_rendererInitialized)
         m_contentsTextureManager->clearAllMemory(resourceProvider);
 }
 
 void LayerTreeHost::acquireLayerTextures()
 {
-    DCHECK(Proxy::isMainThread());
+    DCHECK(m_proxy->isMainThread());
     m_proxy->acquireLayerTextures();
 }
 
@@ -239,7 +237,7 @@ void LayerTreeHost::layout()
 
 void LayerTreeHost::beginCommitOnImplThread(LayerTreeHostImpl* hostImpl)
 {
-    DCHECK(Proxy::isImplThread());
+    DCHECK(m_proxy->isImplThread());
     TRACE_EVENT0("cc", "LayerTreeHost::commitTo");
 }
 
@@ -250,7 +248,7 @@ void LayerTreeHost::beginCommitOnImplThread(LayerTreeHostImpl* hostImpl)
 // after the commit, but on the main thread.
 void LayerTreeHost::finishCommitOnImplThread(LayerTreeHostImpl* hostImpl)
 {
-    DCHECK(Proxy::isImplThread());
+    DCHECK(m_proxy->isImplThread());
 
     m_contentsTextureManager->updateBackingsInDrawingImplTree();
     m_contentsTextureManager->reduceMemory(hostImpl->resourceProvider());
@@ -316,13 +314,13 @@ scoped_ptr<InputHandler> LayerTreeHost::createInputHandler()
 
 scoped_ptr<LayerTreeHostImpl> LayerTreeHost::createLayerTreeHostImpl(LayerTreeHostImplClient* client)
 {
-    return LayerTreeHostImpl::create(m_settings, client);
+    return LayerTreeHostImpl::create(m_settings, client, m_proxy.get());
 }
 
 void LayerTreeHost::didLoseContext()
 {
     TRACE_EVENT0("cc", "LayerTreeHost::didLoseContext");
-    DCHECK(Proxy::isMainThread());
+    DCHECK(m_proxy->isMainThread());
     m_contextLost = true;
     m_numFailedRecreateAttempts = 0;
     setNeedsCommit();
@@ -356,7 +354,7 @@ const RendererCapabilities& LayerTreeHost::rendererCapabilities() const
 
 void LayerTreeHost::setNeedsAnimate()
 {
-    DCHECK(Proxy::hasImplThread());
+    DCHECK(m_proxy->hasImplThread());
     m_proxy->setNeedsAnimate();
 }
 
@@ -368,7 +366,7 @@ void LayerTreeHost::setNeedsCommit()
 void LayerTreeHost::setNeedsRedraw()
 {
     m_proxy->setNeedsRedraw();
-    if (!ThreadProxy::implThread())
+    if (!m_proxy->implThread())
         m_client->scheduleComposite();
 }
 
@@ -379,7 +377,7 @@ bool LayerTreeHost::commitRequested() const
 
 void LayerTreeHost::setAnimationEvents(scoped_ptr<AnimationEventsVector> events, double wallClockTime)
 {
-    DCHECK(ThreadProxy::isMainThread());
+    DCHECK(m_proxy->isMainThread());
     setAnimationEventsRecursive(*events.get(), m_rootLayer.get(), wallClockTime);
 }
 
@@ -455,7 +453,7 @@ PrioritizedTextureManager* LayerTreeHost::contentsTextureManager() const
 
 void LayerTreeHost::composite()
 {
-    DCHECK(!ThreadProxy::implThread());
+    DCHECK(!m_proxy->implThread());
     static_cast<SingleThreadProxy*>(m_proxy.get())->compositeImmediately();
 }
 
@@ -725,7 +723,7 @@ void LayerTreeHost::startRateLimiter(WebKit::WebGraphicsContext3D* context)
     if (it != m_rateLimiters.end())
         it->second->start();
     else {
-        scoped_refptr<RateLimiter> rateLimiter = RateLimiter::create(context, this);
+        scoped_refptr<RateLimiter> rateLimiter = RateLimiter::create(context, this, m_proxy.get());
         m_rateLimiters[context] = rateLimiter;
         rateLimiter->start();
     }