https://bugs.webkit.org/show_bug.cgi?id=67828

Reviewed by Adam Barth.

Source/WebCore:

* bindings/v8/V8DOMWindowShell.cpp:
(WebCore::V8DOMWindowShell::disposeContextHandles):
(WebCore::V8DOMWindowShell::initContextIfNeeded):
* bindings/v8/V8IsolatedContext.cpp:
(WebCore::V8IsolatedContext::V8IsolatedContext):
(WebCore::V8IsolatedContext::destroy):
* bindings/v8/V8IsolatedContext.h:
* loader/EmptyClients.h:
(WebCore::EmptyFrameLoaderClient::didCreateScriptContext):
(WebCore::EmptyFrameLoaderClient::willReleaseScriptContext):
* loader/FrameLoaderClient.h:

Source/WebKit/chromium:

* public/WebFrameClient.h:
(WebKit::WebFrameClient::didCreateScriptContext):
(WebKit::WebFrameClient::didDestroyScriptContext):
(WebKit::WebFrameClient::willReleaseScriptContext):
* src/FrameLoaderClientImpl.cpp:
(WebKit::FrameLoaderClientImpl::didCreateScriptContext):
(WebKit::FrameLoaderClientImpl::willReleaseScriptContext):
* src/FrameLoaderClientImpl.h:
* tests/WebFrameTest.cpp:
(WebKit::TEST_F):
(WebKit::ContextLifetimeTestWebFrameClient::Notification::Notification):
(WebKit::ContextLifetimeTestWebFrameClient::Notification::~Notification):
(WebKit::ContextLifetimeTestWebFrameClient::Notification::Equals):
(WebKit::ContextLifetimeTestWebFrameClient::~ContextLifetimeTestWebFrameClient):
(WebKit::ContextLifetimeTestWebFrameClient::reset):
(WebKit::ContextLifetimeTestWebFrameClient::didCreateScriptContext):
(WebKit::ContextLifetimeTestWebFrameClient::willReleaseScriptContext):
* tests/data/context_notifications_test.html: Added.
* tests/data/context_notifications_test_frame.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95560 268f45cc-cd09-0410-ab3c-d52691b4dbfc