cc: Switch to Chromium DCHECKs and LOGs

cc/completion_event.h

Index: cc/completion_event.h
diff --git a/cc/completion_event.h b/cc/completion_event.h
index 462e4ba12f6885a40c01711e66187a2e795c4d52..6bf46552800c2c9618f6589e9f085649ea2ffb64 100644
--- a/cc/completion_event.h
+++ b/cc/completion_event.h
@@ -6,6 +6,7 @@
 #define CCCompletionEvent_h
 
 #include "base/synchronization/waitable_event.h"
+#include "cc/dcheck.h"
 
 namespace cc {
 
@@ -18,7 +19,7 @@ public:
     CCCompletionEvent()
         : m_event(false /* manual_reset */, false /* initially_signaled */)
     {
-#ifndef NDEBUG
+#if CC_DCHECK_ENABLED
         m_waited = false;
         m_signaled = false;
 #endif
@@ -26,14 +27,14 @@ public:
 
     ~CCCompletionEvent()
     {
-        ASSERT(m_waited);
-        ASSERT(m_signaled);
+        CC_DCHECK(m_waited);
+        CC_DCHECK(m_signaled);
     }
 
     void wait()
     {
-        ASSERT(!m_waited);
-#ifndef NDEBUG
+        CC_DCHECK(!m_waited);
+#if CC_DCHECK_ENABLED
         m_waited = true;
 #endif
         m_event.Wait();
@@ -41,8 +42,8 @@ public:
 
     void signal()
     {
-        ASSERT(!m_signaled);
-#ifndef NDEBUG
+        CC_DCHECK(!m_signaled);
+#if CC_DCHECK_ENABLED
         m_signaled = true;
 #endif
         m_event.Signal();
@@ -50,7 +51,7 @@ public:
 
 private:
     base::WaitableEvent m_event;
-#ifndef NDEBUG
+#if CC_DCHECK_ENABLED
     // Used to assert that wait() and signal() are each called exactly once.
     bool m_waited;
     bool m_signaled;