Start splitting out WebUI into an implementation class and an interface that each page implements...

chrome/renderer/chrome_ppb_pdf_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/chrome_ppb_pdf_impl.h"
 
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/common/child_process_sandbox_support_linux.h"
+#include "content/public/common/content_client.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "grit/webkit_resources.h"
 #include "grit/webkit_strings.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 #include "ppapi/shared_impl/var.h"
 #include "skia/ext/platform_canvas.h"
@@ skipping 94 matching lines @@
   { PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7, IDR_PDF_PROGRESS_BAR_7 },
   { PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8, IDR_PDF_PROGRESS_BAR_8 },
   { PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND,
       IDR_PDF_PROGRESS_BAR_BACKGROUND },
   { PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW, IDR_PDF_PAGE_DROPSHADOW },
   { PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON, IDR_PAN_SCROLL_ICON },
 };
 
 PP_Var GetLocalizedString(PP_Instance instance_id,
                           PP_ResourceString string_id) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance =
+      content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return PP_MakeUndefined();
 
   std::string rv;
   if (string_id == PP_RESOURCESTRING_PDFGETPASSWORD) {
     rv = UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_NEED_PASSWORD));
   } else if (string_id == PP_RESOURCESTRING_PDFLOADING) {
     rv = UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_PAGE_LOADING));
   } else if (string_id == PP_RESOURCESTRING_PDFLOAD_FAILED) {
     rv = UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_PAGE_LOAD_FAILED));
@@ skipping 15 matching lines @@
       break;
     }
   }
   if (res_id == 0)
     return 0;
 
   SkBitmap* res_bitmap =
       ResourceBundle::GetSharedInstance().GetBitmapNamed(res_id);
 
   // Validate the instance.
-  if (!HostGlobals::Get()->GetInstance(instance_id))
+  if (!content::GetHostGlobals()->GetInstance(instance_id))
     return 0;
   scoped_refptr<webkit::ppapi::PPB_ImageData_Impl> image_data(
       new webkit::ppapi::PPB_ImageData_Impl(instance_id));
   if (!image_data->Init(
           webkit::ppapi::PPB_ImageData_Impl::GetNativeImageDataFormat(),
           res_bitmap->width(), res_bitmap->height(), false)) {
     return 0;
   }
 
   webkit::ppapi::ImageDataAutoMapper mapper(image_data);
   if (!mapper.is_valid())
     return 0;
 
   skia::PlatformCanvas* canvas = image_data->mapped_canvas();
   // Note: Do not skBitmap::copyTo the canvas bitmap directly because it will
   // ignore the allocated pixels in shared memory and re-allocate a new buffer.
   canvas->writePixels(*res_bitmap, 0, 0);
 
   return image_data->GetReference();
 }
 
 PP_Resource GetFontFileWithFallback(
     PP_Instance instance_id,
     const PP_FontDescription_Dev* description,
     PP_PrivateFontCharset charset) {
 #if defined(OS_LINUX) || defined(OS_OPENBSD)
   // Validate the instance before using it below.
-  if (!HostGlobals::Get()->GetInstance(instance_id))
+  if (!content::GetHostGlobals()->GetInstance(instance_id))
     return 0;
 
   scoped_refptr<ppapi::StringVar> face_name(ppapi::StringVar::FromPPVar(
       description->face));
   if (!face_name)
     return 0;
 
   int fd = content::MatchFontWithFallback(
       face_name->value().c_str(),
       description->weight >= PP_FONTWEIGHT_BOLD,
@@ skipping 73 matching lines @@
         malloc(*count * sizeof(PP_PrivateFindResult)));
     memcpy(*results, &pp_results[0], *count * sizeof(PP_PrivateFindResult));
   } else {
     *results = NULL;
   }
 
   usearch_close(searcher);
 }
 
 void DidStartLoading(PP_Instance instance_id) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance = content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return;
   instance->delegate()->DidStartLoading();
 }
 
 void DidStopLoading(PP_Instance instance_id) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance =
+      content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return;
   instance->delegate()->DidStopLoading();
 }
 
 void SetContentRestriction(PP_Instance instance_id, int restrictions) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance =
+      content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return;
   instance->delegate()->SetContentRestriction(restrictions);
 }
 
 void HistogramPDFPageCount(int count) {
   UMA_HISTOGRAM_COUNTS_10000("PDF.PageCount", count);
 }
 
 void UserMetricsRecordAction(PP_Var action) {
   scoped_refptr<ppapi::StringVar> action_str(
       ppapi::StringVar::FromPPVar(action));
   if (action_str)
     RenderThread::Get()->RecordUserMetrics(action_str->value());
 }
 
 void HasUnsupportedFeature(PP_Instance instance_id) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance =
+      content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return;
 
   // Only want to show an info bar if the pdf is the whole tab.
   if (!instance->IsFullPagePlugin())
     return;
 
   WebView* view = instance->container()->element().document().frame()->view();
   content::RenderView* render_view = content::RenderView::FromWebView(view);
   render_view->Send(new ChromeViewHostMsg_PDFHasUnsupportedFeature(
       render_view->GetRoutingId()));
 }
 
 void SaveAs(PP_Instance instance_id) {
-  PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id);
+  PluginInstance* instance =
+      content::GetHostGlobals()->GetInstance(instance_id);
   if (!instance)
     return;
   instance->delegate()->SaveURLAs(instance->plugin_url());
 }
 
 const PPB_PDF ppb_pdf = {
   &GetLocalizedString,
   &GetResourceImage,
   &GetFontFileWithFallback,
   &GetFontTableForPrivateFontFile,
   &SearchString,
   &DidStartLoading,
   &DidStopLoading,
   &SetContentRestriction,
   &HistogramPDFPageCount,
   &UserMetricsRecordAction,
   &HasUnsupportedFeature,
   &SaveAs
 };
 
 // static
 const PPB_PDF* PPB_PDF_Impl::GetInterface() {
   return &ppb_pdf;
 }
 
 }  // namespace chrome