Cleanup: Stop creating RenderViewObservers from chrome/ in RenderViewer.

chrome/renderer/print_web_view_helper.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/print_web_view_helper.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 41 matching lines @@
   // On the Mac, the printable area is in points, don't do any scaling based
   // on dpi.
   return printing::kPointsPerInch;
 #else
   return static_cast<int>(print_params->dpi);
 #endif  // defined(OS_MACOSX)
 }
 
 bool PrintMsg_Print_Params_IsEmpty(const PrintMsg_Print_Params& params) {
   return !params.document_cookie && !params.desired_dpi && !params.max_shrink &&
-         !params.min_shrink && !params.dpi && params.printable_size.IsEmpty() && 
+         !params.min_shrink && !params.dpi && params.printable_size.IsEmpty() &&
          !params.selection_only && params.page_size.IsEmpty() &&
          !params.margin_top && !params.margin_left &&
          !params.supports_alpha_blend;
 }
 
 }  // namespace
 
 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint(
     const PrintMsg_Print_Params& print_params,
     WebFrame* frame,
@@ skipping 46 matching lines @@
       print_web_view_(NULL),
       script_initiated_preview_frame_(NULL),
       context_menu_preview_node_(NULL),
       user_cancelled_scripted_print_count_(0) {
   is_preview_ = CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnablePrintPreview);
 }
 
 PrintWebViewHelper::~PrintWebViewHelper() {}
 
-void PrintWebViewHelper::ScriptInitiatedPrint(WebKit::WebFrame* frame) {
+void PrintWebViewHelper::printPage(WebKit::WebFrame* frame) {
+  // Prints |frame| which called window.print().
   DCHECK(frame);
 
   if (IsScriptInitiatedPrintTooFrequent(frame))
     return;
   IncrementScriptedPrintCount();
 
   if (is_preview_) {
     script_initiated_preview_frame_ = frame;
     if (!render_view()->Send(new PrintHostMsg_ScriptInitiatedPrintPreview(
         render_view()->routing_id()))) {
@@ skipping 543 matching lines @@
 
 void PrintWebViewHelper::ResetScriptedPrintCount() {
   // Reset cancel counter on successful print.
   user_cancelled_scripted_print_count_ = 0;
 }
 
 void PrintWebViewHelper::IncrementScriptedPrintCount() {
   ++user_cancelled_scripted_print_count_;
   last_cancelled_script_print_ = base::Time::Now();
 }