Replace ASSERT with DCHECK in platform/

third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h

Index: third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h
diff --git a/third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h b/third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h
index 5638fa9facc34169e74c1bf8c3565685cbc5225b..6a384841390864e158f294d75ada75c55d2dd4ac 100644
--- a/third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h
+++ b/third_party/WebKit/Source/platform/EventDispatchForbiddenScope.h
@@ -20,13 +20,13 @@ class EventDispatchForbiddenScope {
 
  public:
   EventDispatchForbiddenScope() {
-    ASSERT(IsMainThread());
+    DCHECK(IsMainThread());
     ++count_;
   }
 
   ~EventDispatchForbiddenScope() {
-    ASSERT(IsMainThread());
-    ASSERT(count_);
+    DCHECK(IsMainThread());
+    DCHECK(count_);
     --count_;
   }
 
@@ -40,9 +40,9 @@ class EventDispatchForbiddenScope {
     STACK_ALLOCATED();
 
    public:
-    AllowUserAgentEvents() : change_(&count_, 0) { ASSERT(IsMainThread()); }
+    AllowUserAgentEvents() : change_(&count_, 0) { DCHECK(IsMainThread()); }
 
-    ~AllowUserAgentEvents() { ASSERT(!count_); }
+    ~AllowUserAgentEvents() { DCHECK(!count_); }
 
     AutoReset<unsigned> change_;
   };