Revert 87242 - Add metrics to determine what font types are being used with print preview.

printing/pdf_metafile_skia.cc

Index: printing/pdf_metafile_skia.cc
===================================================================
--- printing/pdf_metafile_skia.cc	(revision 87247)
+++ printing/pdf_metafile_skia.cc	(working copy)
@@ -7,33 +7,23 @@
 #include "base/eintr_wrapper.h"
 #include "base/file_descriptor_posix.h"
 #include "base/file_util.h"
-#include "base/hash_tables.h"
-#include "base/metrics/histogram.h"
 #include "skia/ext/vector_platform_device_skia.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/core/SkScalar.h"
 #include "third_party/skia/include/core/SkStream.h"
-#include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/pdf/SkPDFDevice.h"
 #include "third_party/skia/include/pdf/SkPDFDocument.h"
-#include "third_party/skia/include/pdf/SkPDFFont.h"
 #include "third_party/skia/include/pdf/SkPDFPage.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
-namespace {
-  typedef base::hash_map<SkFontID, SkAdvancedTypefaceMetrics::FontType>
-      FontTypeMap;
-};
-
 namespace printing {
 
 struct PdfMetafileSkiaData {
   SkRefPtr<SkPDFDevice> current_page_;
   SkPDFDocument pdf_doc_;
   SkDynamicMemoryWStream pdf_stream_;
-  FontTypeMap font_type_stats_;
 };
 
 PdfMetafileSkia::~PdfMetafileSkia() {}
@@ -81,13 +71,6 @@
 bool PdfMetafileSkia::FinishPage() {
   DCHECK(data_->current_page_.get());
 
-  const SkTDArray<SkPDFFont*>& font_resources =
-      data_->current_page_->getFontResources();
-  for (int i = 0; i < font_resources.count(); i++) {
-    SkFontID key = font_resources[i]->typeface()->uniqueID();
-    data_->font_type_stats_[key] = font_resources[i]->getType();
-  }
-
   data_->pdf_doc_.appendPage(data_->current_page_);
   data_->current_page_ = NULL;
   return true;
@@ -100,16 +83,6 @@
 
   if (data_->current_page_.get())
     FinishPage();
-
-  for (FontTypeMap::const_iterator it = data_->font_type_stats_.begin();
-       it != data_->font_type_stats_.end();
-       it++) {
-    UMA_HISTOGRAM_ENUMERATION(
-        "PrintPreview.FontType",
-        it->second,
-        SkAdvancedTypefaceMetrics::kNotEmbeddable_Font + 1);
-  }
-
   return data_->pdf_doc_.emitPDF(&data_->pdf_stream_);
 }