DevTools: Initial implementation of slow CPU emulation.

third_party/WebKit/Source/web/InspectorEmulationAgent.cpp

 // Copyright 2015 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 "web/InspectorEmulationAgent.h"
 
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/inspector/InspectorState.h"
 #include "core/page/Page.h"
 #include "platform/geometry/DoubleRect.h"
 #include "web/DevToolsEmulator.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
 namespace blink {
 
 namespace EmulationAgentState {
 static const char scriptExecutionDisabled[] = "scriptExecutionDisabled";
 static const char touchEventEmulationEnabled[] = "touchEventEmulationEnabled";
 static const char emulatedMedia[] = "emulatedMedia";
 }
 
-PassOwnPtrWillBeRawPtr<InspectorEmulationAgent> InspectorEmulationAgent::create(WebLocalFrameImpl* webLocalFrameImpl)
+PassOwnPtrWillBeRawPtr<InspectorEmulationAgent> InspectorEmulationAgent::create(WebLocalFrameImpl* webLocalFrameImpl, Client* client)
 {
-    return adoptPtrWillBeNoop(new InspectorEmulationAgent(webLocalFrameImpl));
+    return adoptPtrWillBeNoop(new InspectorEmulationAgent(webLocalFrameImpl, client));
 }
 
-InspectorEmulationAgent::InspectorEmulationAgent(WebLocalFrameImpl* webLocalFrameImpl)
+InspectorEmulationAgent::InspectorEmulationAgent(WebLocalFrameImpl* webLocalFrameImpl, Client* client)
     : InspectorBaseAgent<InspectorEmulationAgent, InspectorFrontend::Emulation>("Emulation")
     , m_webLocalFrameImpl(webLocalFrameImpl)
+    , m_client(client)
 {
     webViewImpl()->devToolsEmulator()->setEmulationAgent(this);
 }
 
 InspectorEmulationAgent::~InspectorEmulationAgent()
 {
 }
 
 WebViewImpl* InspectorEmulationAgent::webViewImpl()
 {
@@ skipping 48 matching lines @@
     m_state->setBoolean(EmulationAgentState::touchEventEmulationEnabled, enabled);
     webViewImpl()->devToolsEmulator()->setTouchEventEmulationEnabled(enabled);
 }
 
 void InspectorEmulationAgent::setEmulatedMedia(ErrorString*, const String& media)
 {
     m_state->setString(EmulationAgentState::emulatedMedia, media);
     webViewImpl()->page()->settings().setMediaTypeOverride(media);
 }
 
+void InspectorEmulationAgent::setCPUThrottlingRate(ErrorString*, double throttlingRate)
+{
+    m_client->setCPUThrottlingRate(throttlingRate);
+}
+
 void InspectorEmulationAgent::viewportChanged()
 {
     if (!webViewImpl()->devToolsEmulator()->deviceEmulationEnabled() || !frontend())
         return;
 
     FrameView* view = m_webLocalFrameImpl->frameView();
     if (!view)
         return;
 
     IntSize contentsSize = view->contentsSize();
@@ skipping 11 matching lines @@
     frontend()->viewportChanged(viewport);
 }
 
 DEFINE_TRACE(InspectorEmulationAgent)
 {
     visitor->trace(m_webLocalFrameImpl);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink