Fix copying from interstitial pages on OSX by going through the RenderWidgetHostDelegate.

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index ccb1ecfe7b477cbb8c26063724def0a10130e70c..2d249ab929219daca5d71fbc6e80153fb54d294e 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -38,6 +38,7 @@
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
+#include "content/browser/renderer_host/render_widget_host_delegate.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_dictionary_helper.h"
 #import "content/browser/renderer_host/render_widget_host_view_mac_editcommand_helper.h"
 #import "content/browser/renderer_host/text_input_client_mac.h"
@@ -3256,45 +3257,66 @@ extern NSString *NSTextInputReplacementRangeAttributeName;
 }
 
 - (void)undo:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->Undo();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {

[Charlie Reis, 2015/05/14 20:36:28]

nit: Seems like this would be easier to read, like before:

if (render_widget_host_delegate)
  render_widget_host_delegate->Undo();

+    return;
+  }
+  render_widget_host_delegate->Undo();
 }
 
 - (void)redo:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->Redo();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->Redo();
 }
 
 - (void)cut:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->Cut();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->Cut();
 }
 
 - (void)copy:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->Copy();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->Copy();
 }
 
 - (void)copyToFindPboard:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->CopyToFindPboard();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->CopyToFindPboard();
 }
 
 - (void)paste:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->Paste();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->Paste();
 }
 
 - (void)pasteAndMatchStyle:(id)sender {
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->PasteAndMatchStyle();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->PasteAndMatchStyle();
 }
 
 - (void)selectAll:(id)sender {
@@ -3305,9 +3327,12 @@ extern NSString *NSTextInputReplacementRangeAttributeName;
   // menu handler, neither is true.
   // Explicitly call SelectAll() here to make sure the renderer returns
   // selection results.
-  WebContents* web_contents = renderWidgetHostView_->GetWebContents();
-  if (web_contents)
-    web_contents->SelectAll();
+  content::RenderWidgetHostDelegate* render_widget_host_delegate =
+      renderWidgetHostView_->render_widget_host_->GetDelegate();
+  if (!render_widget_host_delegate) {
+    return;
+  }
+  render_widget_host_delegate->SelectAll();
 }
 
 - (void)startSpeaking:(id)sender {