Allow mouse-input to be enabled even if the plugin does not have keyboard focus.

remoting/client/plugin/chromoting_instance.cc

Index: remoting/client/plugin/chromoting_instance.cc
diff --git a/remoting/client/plugin/chromoting_instance.cc b/remoting/client/plugin/chromoting_instance.cc
index 3504c71fcbf62d05dc2c7abc55f0f7fe86658eb0..936d9f0e720e50cb20b3d6dd4f2459d5ac7675e9 100644
--- a/remoting/client/plugin/chromoting_instance.cc
+++ b/remoting/client/plugin/chromoting_instance.cc
@@ -174,7 +174,8 @@ logging::LogMessageHandlerFunction g_logging_old_handler = NULL;
 const char ChromotingInstance::kApiFeatures[] =
     "highQualityScaling injectKeyEvent sendClipboardItem remapKey trapKey "
     "notifyClientResolution pauseVideo pauseAudio asyncPin thirdPartyAuth "
-    "pinlessAuth extensionMessage allowMouseLock mediaSourceRendering";
+    "pinlessAuth extensionMessage allowMouseLock mediaSourceRendering "
+    "sendMouseInputWhenUnfocused";

[Wez, 2014/05/22 01:14:23]

nit: Unless there is some fallback behaviour the app can reasonably do in the
absence of this feature, is there any point advertising it in kApiFeatures?

[Jamie, 2014/05/22 01:32:09]

Done.

 
 const char ChromotingInstance::kRequestedCapabilities[] = "";
 const char ChromotingInstance::kSupportedCapabilities[] = "desktopShape";
@@ -339,6 +340,8 @@ void ChromotingInstance::HandleMessage(const pp::Var& message) {
     HandleAllowMouseLockMessage();
   } else if (method == "enableMediaSourceRendering") {
     HandleEnableMediaSourceRendering();
+  } else if (method == "sendMouseInputWhenUnfocused") {
+    HandleSendMouseInputWhenUnfocused();
   }
 }
 
@@ -918,6 +921,10 @@ void ChromotingInstance::HandleEnableMediaSourceRendering() {
   use_media_source_rendering_ = true;
 }
 
+void ChromotingInstance::HandleSendMouseInputWhenUnfocused() {
+  input_handler_.SendMouseInputWhenUnfocused();
+}
+
 ChromotingStats* ChromotingInstance::GetStats() {
   if (!video_renderer_.get())
     return NULL;