Convert Chromoting plugin logging to appear in client UI

remoting/client/plugin/pepper_view.cc

Index: remoting/client/plugin/pepper_view.cc
diff --git a/remoting/client/plugin/pepper_view.cc b/remoting/client/plugin/pepper_view.cc
index 6bc45086792b43bac1e440ddae002ecfad470e1f..4450979de805e8f31476fbcc0667ee8b4a41366b 100644
--- a/remoting/client/plugin/pepper_view.cc
+++ b/remoting/client/plugin/pepper_view.cc
@@ -5,6 +5,7 @@
 #include "remoting/client/plugin/pepper_view.h"
 
 #include "base/message_loop.h"
+#include "base/string_util.h"
 #include "ppapi/cpp/graphics_2d.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/point.h"
@@ -47,13 +48,15 @@ void PepperView::Paint() {
   // TODO(ajwong): We're assuming the native format is BGRA_PREMUL below. This
   // is wrong.
   if (is_static_fill_) {
-    LOG(ERROR) << "Static filling " << static_fill_color_;
+    instance_->LogDebugError(
+        StringPrintf("Static filling %08x", static_fill_color_));
     pp::ImageData image(instance_, pp::ImageData::GetNativeImageDataFormat(),
                         pp::Size(viewport_width_, viewport_height_),
                         false);
     if (image.is_null()) {
-      LOG(ERROR) << "Unable to allocate image of size: "
-                 << viewport_width_ << "x" << viewport_height_;
+      instance_->LogDebugError(
+          StringPrintf("Unable to allocate image of size: %dx%d",
+                       viewport_width_, viewport_height_));
       return;
     }
 
@@ -100,8 +103,9 @@ void PepperView::PaintFrame(media::VideoFrame* frame, UpdatedRects* rects) {
                         pp::Size(r.width(), r.height()),
                         false);
     if (image.is_null()) {
-      LOG(ERROR) << "Unable to allocate image of size: "
-                 << r.width() << "x" << r.height();
+      instance_->LogDebugError(
+          StringPrintf("Unable to allocate image of size: %dx%d",
+                       r.width(), r.height()));
       return;
     }
 
@@ -188,7 +192,7 @@ void PepperView::SetViewport(int x, int y, int width, int height) {
                                pp::Size(viewport_width_, viewport_height_),
                                false);
   if (!instance_->BindGraphics(graphics2d_)) {
-    LOG(ERROR) << "Couldn't bind the device context.";
+    instance_->LogDebugError("Couldn't bind the device context.");
     return;
   }
 
@@ -221,7 +225,7 @@ void PepperView::ReleaseFrame(media::VideoFrame* frame) {
   DCHECK(instance_->CurrentlyOnPluginThread());
 
   if (frame) {
-    LOG(WARNING) << "Frame released.";
+    instance_->LogDebugError("Frame released.");
     frame->Release();
   }
 }