Revert 34040 - DevTools: make possible profiling of scripts doing heavy calcu...

webkit/glue/devtools/debugger_agent_impl.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include <wtf/HashSet.h>
 #include <wtf/RefPtr.h>
 #include <wtf/Vector.h>
 
@@ skipping 26 matching lines @@
 using WebCore::V8Proxy;
 using WebKit::WebViewImpl;
 
 DebuggerAgentImpl::DebuggerAgentImpl(
     WebViewImpl* web_view_impl,
     DebuggerAgentDelegate* delegate,
     WebDevToolsAgentImpl* webdevtools_agent)
     : web_view_impl_(web_view_impl),
       delegate_(delegate),
       webdevtools_agent_(webdevtools_agent),
+      profiler_log_position_(0),
       auto_continue_on_exception_(false) {
   DebuggerAgentManager::DebugAttach(this);
 }
 
 DebuggerAgentImpl::~DebuggerAgentImpl() {
   DebuggerAgentManager::DebugDetach(this);
 }
 
 void DebuggerAgentImpl::GetContextId() {
   delegate_->SetContextId(webdevtools_agent_->host_id());
 }
 
+void DebuggerAgentImpl::StartProfiling(int flags) {
+  v8::HandleScope scope;
+  WebCore::Frame* frame = GetPage()->mainFrame();
+  ASSERT(V8Proxy::retrieve(GetPage()->mainFrame())->isContextInitialized());
+  v8::Context::Scope context_scope(V8Proxy::context(frame));
+  v8::V8::ResumeProfilerEx(flags);
+}
+
+void DebuggerAgentImpl::StopProfiling(int flags) {
+  v8::V8::PauseProfilerEx(flags);
+}
+
+void DebuggerAgentImpl::GetActiveProfilerModules() {
+  delegate_->DidGetActiveProfilerModules(v8::V8::GetActiveProfilerModules());
+}
+
+void DebuggerAgentImpl::GetNextLogLines() {
+  static char buffer[65536];
+  int read_size = v8::V8::GetLogLines(
+      profiler_log_position_, buffer, sizeof(buffer) - 1);
+  profiler_log_position_ += read_size;
+  buffer[read_size] = '\0';
+  delegate_->DidGetNextLogLines(buffer);
+}
+
 void DebuggerAgentImpl::DebuggerOutput(const String& command) {
   delegate_->DebuggerOutput(command);
   webdevtools_agent_->ForceRepaint();
 }
 
 // static
 void DebuggerAgentImpl::CreateUtilityContext(
     Frame* frame,
     v8::Persistent<v8::Context>* context) {
   v8::HandleScope scope;
@@ skipping 105 matching lines @@
   ASSERT(function->IsFunction());
   v8::Handle<v8::Value> args[] = {
     v8::Local<v8::Value>()
   };
   v8::Handle<v8::Function>::Cast(function)->Call(context->Global(), 0, args);
 }
 
 WebCore::Page* DebuggerAgentImpl::GetPage() {
   return web_view_impl_->page();
 }