Add notifyClientDimensions API to the Chromoting Client plugin.

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 1671d71f7fa0c6bd493aea1d976410f4bb4c35fc..3ca1779a986075205f8d0b4af5f1a78fdb97d553 100644
--- a/remoting/client/plugin/chromoting_instance.cc
+++ b/remoting/client/plugin/chromoting_instance.cc
@@ -102,7 +102,8 @@ static base::LazyInstance<base::Lock>::Leaky
 
 // String sent in the "hello" message to the plugin to describe features.
 const char ChromotingInstance::kApiFeatures[] =
-    "highQualityScaling injectKeyEvent sendClipboardItem remapKey trapKey";
+    "highQualityScaling injectKeyEvent sendClipboardItem remapKey trapKey "
+    "notifyClientDimensions";
 
 bool ChromotingInstance::ParseAuthMethods(const std::string& auth_methods_str,
                                           ClientConfig* config) {
@@ -299,6 +300,15 @@ void ChromotingInstance::HandleMessage(const pp::Var& message) {
       return;
     }
     SendClipboardItem(mime_type, item);
+  } else if (method == "notifyClientDimensions") {
+    int width = 0;
+    int height = 0;
+    if (!data->GetInteger("width", &width) ||
+        !data->GetInteger("height", &height)) {
+      LOG(ERROR) << "Invalid notifyClientDimensions.";
+      return;
+    }
+    NotifyClientDimensions(width, height);
   }
 }
 
@@ -472,6 +482,16 @@ void ChromotingInstance::SendClipboardItem(const std::string& mime_type,
   host_connection_->clipboard_stub()->InjectClipboardEvent(event);
 }
 
+void ChromotingInstance::NotifyClientDimensions(int width, int height) {
+  if (!host_connection_.get()) {
+    return;
+  }
+  protocol::ClientDimensions client_dimensions;
+  client_dimensions.set_width(width);
+  client_dimensions.set_height(height);
+  host_connection_->host_stub()->NotifyClientDimensions(client_dimensions);
+}
+
 ChromotingStats* ChromotingInstance::GetStats() {
   if (!client_.get())
     return NULL;