Detect debugging target crash.

content/browser/devtools/renderer_overrides_handler.cc

 // Copyright (c) 2013 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 "content/browser/devtools/renderer_overrides_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/string16.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
 #include "content/browser/child_process_security_policy_impl.h"
+#include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/javascript_dialog_manager.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/common/referrer.h"
 #include "googleurl/src/gurl.h"
 
 namespace content {
 
-namespace {
-
-const char kDOMFileInputCommand[] = "DOM.setFileInputFiles";
-const char kDOMFileInputFilesParam[] = "files";
-const char kPageHandleDialogCommand[] = "Page.handleJavaScriptDialog";
-const char kPageHandleDialogAcceptParam[] = "accept";
-const char kPageHandleDialogPromptTextParam[] = "promptText";
-const char kPageNavigateCommand[] = "Page.navigate";
-const char kPageNavigateUrlParam[] = "url";
-
-}  // namespace
-
 RendererOverridesHandler::RendererOverridesHandler(DevToolsAgentHost* agent)
     : agent_(agent) {
   RegisterCommandHandler(
-      kDOMFileInputCommand,
+      devtools::DOM::setFileInputFiles::kName,
       base::Bind(
           &RendererOverridesHandler::GrantPermissionsForSetFileInputFiles,
           base::Unretained(this)));
   RegisterCommandHandler(
-      kPageHandleDialogCommand,
+      devtools::Page::handleJavaScriptDialog::kName,
       base::Bind(
           &RendererOverridesHandler::PageHandleJavaScriptDialog,
           base::Unretained(this)));
   RegisterCommandHandler(
-      kPageNavigateCommand,
+      devtools::Page::navigate::kName,
       base::Bind(
           &RendererOverridesHandler::PageNavigate,
           base::Unretained(this)));
 }
 
 RendererOverridesHandler::~RendererOverridesHandler() {}
 
 scoped_ptr<DevToolsProtocol::Response>
 RendererOverridesHandler::GrantPermissionsForSetFileInputFiles(
     DevToolsProtocol::Command* command) {
   base::DictionaryValue* params = command->params();
   base::ListValue* file_list = NULL;
-  if (!params || !params->GetList(kDOMFileInputFilesParam, &file_list)) {
+  const char* param =
+      devtools::DOM::setFileInputFiles::kParamFiles;
+  if (!params || !params->GetList(param, &file_list)) {
     return command->ErrorResponse(
         DevToolsProtocol::kErrorInvalidParams,
-        base::StringPrintf("Missing or invalid '%s' parameter",
-                           kDOMFileInputFilesParam));
+        base::StringPrintf("Missing or invalid '%s' parameter", param));
   }
   RenderViewHost* host = agent_->GetRenderViewHost();
   if (!host)
     return scoped_ptr<DevToolsProtocol::Response>();
 
   for (size_t i = 0; i < file_list->GetSize(); ++i) {
     base::FilePath::StringType file;
     if (!file_list->GetString(i, &file)) {
       return command->ErrorResponse(
           DevToolsProtocol::kErrorInvalidParams,
-          base::StringPrintf("'%s' must be a list of strings",
-                             kDOMFileInputFilesParam));
+          base::StringPrintf("'%s' must be a list of strings", param));
     }
     ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile(
         host->GetProcess()->GetID(), base::FilePath(file));
   }
   return scoped_ptr<DevToolsProtocol::Response>();
 }
 
 scoped_ptr<DevToolsProtocol::Response>
 RendererOverridesHandler::PageHandleJavaScriptDialog(
     DevToolsProtocol::Command* command) {
   base::DictionaryValue* params = command->params();
+  const char* paramAccept =
+      devtools::Page::handleJavaScriptDialog::kParamAccept;
   bool accept;
-  if (!params || !params->GetBoolean(kPageHandleDialogAcceptParam, &accept)) {
+  if (!params || !params->GetBoolean(paramAccept, &accept)) {
     return command->ErrorResponse(
         DevToolsProtocol::kErrorInvalidParams,
-        base::StringPrintf("Missing or invalid '%s' parameter",
-                           kPageHandleDialogAcceptParam));
+        base::StringPrintf("Missing or invalid '%s' parameter", paramAccept));
   }
   string16 prompt_override;
   string16* prompt_override_ptr = &prompt_override;
-  if (!params || !params->GetString(kPageHandleDialogPromptTextParam,
-                                    prompt_override_ptr)) {
+  if (!params || !params->GetString(
+      devtools::Page::handleJavaScriptDialog::kParamPromptText,
+      prompt_override_ptr)) {
     prompt_override_ptr = NULL;
   }
 
   RenderViewHost* host = agent_->GetRenderViewHost();
   if (host) {
     WebContents* web_contents = host->GetDelegate()->GetAsWebContents();
     if (web_contents) {
       JavaScriptDialogManager* manager =
           web_contents->GetDelegate()->GetJavaScriptDialogManager();
       if (manager && manager->HandleJavaScriptDialog(
               web_contents, accept, prompt_override_ptr)) {
         return scoped_ptr<DevToolsProtocol::Response>();
       }
     }
   }
   return command->ErrorResponse(
       DevToolsProtocol::kErrorInternalError,
       "No JavaScript dialog to handle");
 }
 
 scoped_ptr<DevToolsProtocol::Response>
 RendererOverridesHandler::PageNavigate(
     DevToolsProtocol::Command* command) {
   base::DictionaryValue* params = command->params();
   std::string url;
-  if (!params || !params->GetString(kPageNavigateUrlParam, &url)) {
+  const char* param = devtools::Page::navigate::kParamUrl;
+  if (!params || !params->GetString(param, &url)) {
     return command->ErrorResponse(
         DevToolsProtocol::kErrorInvalidParams,
         base::StringPrintf("Missing or invalid '%s' parameter",
-                           kPageNavigateUrlParam));
+                           param));
   }
   GURL gurl(url);
   if (!gurl.is_valid()) {
     return command->ErrorResponse(
         DevToolsProtocol::kErrorInternalError,
         "Cannot navigate to invalid URL");
   }
   RenderViewHost* host = agent_->GetRenderViewHost();
   if (host) {
     WebContents* web_contents = host->GetDelegate()->GetAsWebContents();
     if (web_contents) {
       web_contents->GetController().LoadURL(
           gurl, Referrer(), PAGE_TRANSITION_TYPED, "");
       return command->SuccessResponse(new base::DictionaryValue());
     }
   }
   return command->ErrorResponse(
       DevToolsProtocol::kErrorInternalError,
       "No WebContents to navigate");
 }
 
 }  // namespace content