Removed unused functions in PPB_PDF

There are a bunch of PPB_PDF functions that are now unused. Delete them.

BUG=303491

Review URL: https://codereview.chromium.org/1154313002

Cr-Commit-Position: refs/heads/master@{#331899}

components/pdf.gypi

@@ -49,8 +49,6 @@
       'pdf_common',
     ],
     'sources': [
-      'pdf/renderer/pdf_resource_util.cc',
-      'pdf/renderer/pdf_resource_util.h',
       'pdf/renderer/pepper_pdf_host.cc',
       'pdf/renderer/pepper_pdf_host.h',
     ],

components/pdf/renderer/BUILD.gn

@@ -6,8 +6,6 @@ import("//build/config/features.gni")
 
 static_library("renderer") {
   sources = [
-    "pdf_resource_util.cc",
-    "pdf_resource_util.h",
     "pepper_pdf_host.cc",
     "pepper_pdf_host.h",
   ]

components/pdf/renderer/pepper_pdf_host.cc

@@ -5,7 +5,7 @@
 #include "components/pdf/renderer/pepper_pdf_host.h"
 
 #include "components/pdf/common/pdf_messages.h"
-#include "components/pdf/renderer/pdf_resource_util.h"
+#include "components/strings/grit/components_strings.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
 #include "content/public/renderer/render_thread.h"
@@ -26,7 +26,9 @@
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "third_party/WebKit/public/web/WebView.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
+#include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/geometry/point.h"
 
 namespace pdf {
@@ -38,6 +40,26 @@ namespace {
 base::LazyInstance<base::ThreadLocalPointer<PepperPDFHost::PrintClient>>::Leaky
     g_print_client_tls = LAZY_INSTANCE_INITIALIZER;
 
+std::string GetStringResource(PP_ResourceString string_id) {
+  int resource_id = 0;
+  switch (string_id) {
+    case PP_RESOURCESTRING_PDFGETPASSWORD:
+      resource_id = IDS_PDF_NEED_PASSWORD;
+      break;
+    case PP_RESOURCESTRING_PDFLOADING:
+      resource_id = IDS_PDF_PAGE_LOADING;
+      break;
+    case PP_RESOURCESTRING_PDFLOAD_FAILED:
+      resource_id = IDS_PDF_PAGE_LOAD_FAILED;
+      break;
+    case PP_RESOURCESTRING_PDFPROGRESSLOADING:
+      resource_id = IDS_PDF_PROGRESS_LOADING;
+      break;
+  }
+
+  return l10n_util::GetStringUTF8(resource_id);
+}
+
 }  // namespace
 
 PepperPDFHost::PepperPDFHost(content::RendererPpapiHost* host,

ppapi/c/private/ppb_pdf.h

@@ -24,55 +24,6 @@ typedef enum {
   PP_RESOURCESTRING_PDFPROGRESSLOADING = 3
 } PP_ResourceString;
 
-typedef enum {
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTP = 0,
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER = 1,
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED = 2,
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTW = 3,
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER = 4,
-  PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED = 5,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN = 6,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER = 7,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED = 8,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT = 9,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER = 10,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED = 11,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0 = 12,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1 = 13,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2 = 14,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3 = 15,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4 = 16,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5 = 17,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6 = 18,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7 = 19,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8 = 20,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9 = 21,
-  PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND = 22,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0 = 23,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1 = 24,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2 = 25,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3 = 26,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4 = 27,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5 = 28,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6 = 29,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7 = 30,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8 = 31,
-  PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND = 32,
-  PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW = 33,
-  PP_RESOURCEIMAGE_PDF_BUTTON_SAVE = 34,
-  PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER = 35,
-  PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED = 36,
-  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT = 37,
-  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER = 38,
-  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED = 39,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END = 40,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER = 41,
-  PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED = 42,
-  PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON = 43,
-  PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND = 44,
-  PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED = 45
-} PP_ResourceImage;
-
 typedef enum {
   PP_PDFFEATURE_HIDPI = 0,
   PP_PDFFEATURE_PRINTING = 1
@@ -94,10 +45,6 @@ struct PPB_PDF {
   struct PP_Var (*GetLocalizedString)(PP_Instance instance,
                                       PP_ResourceString string_id);
 
-  // Returns a resource image.
-  PP_Resource (*GetResourceImage)(PP_Instance instance,
-                                  PP_ResourceImage image_id);
-
   // Returns a resource identifying a font file corresponding to the given font
   // request after applying the browser-specific fallback.
   //
@@ -134,9 +81,6 @@ struct PPB_PDF {
   // The value is a bitfield of ContentRestriction enums.
   void (*SetContentRestriction)(PP_Instance instance, int restrictions);
 
-  // Use UMA so we know average pdf page count.
-  void (*HistogramPDFPageCount)(PP_Instance instance, int count);
-
   // Notifies the browser that the given action has been performed.
   void (*UserMetricsRecordAction)(PP_Instance instance, struct PP_Var action);
 
@@ -151,19 +95,6 @@ struct PPB_PDF {
 
   PP_Bool(*IsFeatureEnabled)(PP_Instance instance, PP_PDFFeature feature);
 
-  // Returns a resource image appropriate for a device with |scale| density.
-  // Returns 0 (NULL resource) if there is no resource at that scale
-  PP_Resource (*GetResourceImageForScale)(PP_Instance instance,
-                                          PP_ResourceImage image_id,
-                                          float scale);
-
-  // Invoke password dialog for plugin.
-  struct PP_Var (*ModalPromptForPassword)(PP_Instance instance,
-                                          struct PP_Var message);
-
-  // Returns PP_TRUE if the plugin is out of process.
-  PP_Bool (*IsOutOfProcess)(PP_Instance instance);
-
   // Sets the selected text of the plugin.
   void(*SetSelectedText)(PP_Instance instance, const char* selected_text);