Change OOMs to raise custom exception rather than breakpoint on Windows.

third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp b/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp
index 35d5d5ee5cd59a950e9271c596e920f3a4513bbb..4a8adac5dc5288c29404a4f8add7cd74233ff13b 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8Initializer.cpp
@@ -95,7 +95,14 @@ static void reportFatalErrorInMainThread(const char* location, const char* messa
     printf("V8 error: %s (%s).  Current memory usage: %d MB\n", message, location, memoryUsageMB);
     CRASH();
 }
-
+/*

[haraken, 2016/07/11 23:06:35]

Should this code be commented out?

[Will Harris, 2016/07/11 23:11:20]

yeah I can't call this until the API exists in V8 and that is in another CL that
will have to be committed before this one (I haven't uploaded it yet).

+static void reportOOMErrorInMainThread(const char* location, bool isJsHeap)
+{
+    int memoryUsageMB = Platform::current()->actualMemoryUsageMB();
+    printf("V8 %s OOM: (%s).  Current memory usage: %d MB\n", isJsHeap ? "javascript" : "process", location, memoryUsageMB);
+    OOM_CRASH();
+}
+*/
 static String extractMessageForConsole(v8::Isolate* isolate, v8::Local<v8::Value> data)
 {
     if (V8DOMWrapper::isWrapper(isolate, data)) {
@@ -356,6 +363,7 @@ void V8Initializer::initializeMainThread()
 
     initializeV8Common(isolate);
 
+//    isolate->SetOOMErrorHandler(reportOOMErrorInMainThread);
     isolate->SetFatalErrorHandler(reportFatalErrorInMainThread);
     isolate->AddMessageListener(messageHandlerInMainThread);
     isolate->SetFailedAccessCheckCallbackFunction(failedAccessCheckCallbackInMainThread);