DevTools: process pause script request on the IO thread. To pause already running script we need to call v8::Debug::DebugBreak() on a thread different from the Render thread which may be busy with JS execution.

BUG=28892
TEST=DevToolsSanityTest.TestPauseWhenScriptIsRunning

Review URL: http://codereview.chromium.org/444017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33279 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 0 deletions

diff --git a/chrome/browser/debugger/devtools_sanity_unittest.cc b/chrome/browser/debugger/devtools_sanity_unittest.cc
index 405d809..3c3b8d4 100644
--- a/chrome/browser/debugger/devtools_sanity_unittest.cc
+++ b/chrome/browser/debugger/devtools_sanity_unittest.cc
@@ -53,6 +53,8 @@ const wchar_t kPauseOnExceptionTestPage[] =
     L"files/devtools/pause_on_exception.html";
 const wchar_t kPauseWhenLoadingDevTools[] =
     L"files/devtools/pause_when_loading_devtools.html";
+const wchar_t kPauseWhenScriptIsRunning[] =
+    L"files/devtools/pause_when_script_is_running.html";
 const wchar_t kResourceContentLengthTestPage[] = L"files/devtools/image.html";
 const wchar_t kResourceTestPage[] = L"files/devtools/resource_test_page.html";
 const wchar_t kSimplePage[] = L"files/devtools/simple_page.html";
@@ -344,6 +346,12 @@ IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestPauseWhenLoadingDevTools) {
   RunTest("testPauseWhenLoadingDevTools", kPauseWhenLoadingDevTools);
 }
 
+// Tests that pressing 'Pause' will pause script execution if the script
+// is already running.
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestPauseWhenScriptIsRunning) {
+  RunTest("testPauseWhenScriptIsRunning", kPauseWhenScriptIsRunning);
+}
+
 // Tests eval on call frame.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestEvalOnCallFrame) {
   RunTest("testEvalOnCallFrame", kDebuggerTestPage);