AppCache: Output some information to the javascript console.

BUG=13685
TEST=manual
Review URL: http://codereview.chromium.org/2805030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50796 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 22 insertions, 4 deletions

diff --git a/chrome/renderer/renderer_webapplicationcachehost_impl.cc b/chrome/renderer/renderer_webapplicationcachehost_impl.cc
index 88ffd2c..6a2d6e3 100644
--- a/chrome/renderer/renderer_webapplicationcachehost_impl.cc
+++ b/chrome/renderer/renderer_webapplicationcachehost_impl.cc
@@ -7,9 +7,11 @@
 #include "chrome/common/content_settings_types.h"
 #include "chrome/renderer/render_thread.h"
 #include "chrome/renderer/render_view.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 
 using appcache::AppCacheBackend;
 using WebKit::WebApplicationCacheHostClient;
+using WebKit::WebConsoleMessage;
 
 RendererWebApplicationCacheHostImpl::RendererWebApplicationCacheHostImpl(
     RenderView* render_view,
@@ -20,7 +22,17 @@ RendererWebApplicationCacheHostImpl::RendererWebApplicationCacheHostImpl(
       routing_id_(render_view->routing_id()) {
 }
 
-RendererWebApplicationCacheHostImpl::~RendererWebApplicationCacheHostImpl() {
+void RendererWebApplicationCacheHostImpl::OnLogMessage(
+    appcache::LogLevel log_level, const std::string& message) {
+  RenderView* render_view = GetRenderView();
+  if (!render_view || !render_view->webview() ||
+      !render_view->webview()->mainFrame())
+    return;
+
+  WebKit::WebFrame* frame = render_view->webview()->mainFrame();
+  frame->addMessageToConsole(WebConsoleMessage(
+        static_cast<WebConsoleMessage::Level>(log_level),
+        WebKit::WebString::fromUTF8(message.c_str())));
 }
 
 void RendererWebApplicationCacheHostImpl::OnContentBlocked() {
@@ -30,3 +42,8 @@ void RendererWebApplicationCacheHostImpl::OnContentBlocked() {
     content_blocked_ = true;
   }
 }
+
+RenderView* RendererWebApplicationCacheHostImpl::GetRenderView() {
+  return static_cast<RenderView*>
+      (RenderThread::current()->ResolveRoute(routing_id_));
+}
diff --git a/chrome/renderer/renderer_webapplicationcachehost_impl.h b/chrome/renderer/renderer_webapplicationcachehost_impl.h
index 8a00032..0e4173e 100644
--- a/chrome/renderer/renderer_webapplicationcachehost_impl.h
+++ b/chrome/renderer/renderer_webapplicationcachehost_impl.h
@@ -17,14 +17,15 @@ class RendererWebApplicationCacheHostImpl
       WebKit::WebApplicationCacheHostClient* client,
       appcache::AppCacheBackend* backend);
 
-  virtual ~RendererWebApplicationCacheHostImpl();
-
   // appcache::WebApplicationCacheHostImpl methods.
+  virtual void OnLogMessage(appcache::LogLevel log_level,
+                            const std::string& message);
   virtual void OnContentBlocked();
 
  private:
-  bool content_blocked_;
+  RenderView* GetRenderView();
 
+  bool content_blocked_;
   int routing_id_;
 };