Fix for how webview.executeScript and webivew.insertCSS check for page...

Fix for how webview.executeScript and webivew.insertCSS check for page navigtation when loading data URLs via NavigationController::LoadURLWithParams.

Tests will follow shortly in the patch that adds webview.loadDataWithBaseURL.

BUG=417816

TBR=rockot@chromium.org

Review URL: https://codereview.chromium.org/602193002

Cr-Commit-Position: refs/heads/master@{#296938}

extensions/browser/guest_view/web_view/web_view_constants.cc

@@ -87,6 +87,7 @@ const char kOldZoomFactor[] = "oldZoomFactor";
 const char kNewZoomFactor[] = "newZoomFactor";
 
 // Internal parameters/properties on events.
+const char kInternalBaseURLForDataURL[] = "baseUrlForDataUrl";
 const char kInternalCurrentEntryIndex[] = "currentEntryIndex";
 const char kInternalEntryCount[] = "entryCount";
 const char kInternalProcessId[] = "processId";

extensions/browser/guest_view/web_view/web_view_constants.h

@@ -91,6 +91,7 @@ extern const char kOldZoomFactor[];
 extern const char kNewZoomFactor[];
 
 // Internal parameters/properties on events.
+extern const char kInternalBaseURLForDataURL[];
 extern const char kInternalCurrentEntryIndex[];
 extern const char kInternalEntryCount[];
 extern const char kInternalProcessId[];

extensions/browser/guest_view/web_view/web_view_guest.cc

@@ -661,6 +661,12 @@ void WebViewGuest::DidCommitProvisionalLoadForFrame(
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, url.spec());
   args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
+  args->SetString(webview::kInternalBaseURLForDataURL,
+                  web_contents()
+                      ->GetController()
+                      .GetLastCommittedEntry()
+                      ->GetBaseURLForDataURL()
+                      .spec());
   args->SetInteger(webview::kInternalCurrentEntryIndex,
                    web_contents()->GetController().GetCurrentEntryIndex());
   args->SetInteger(webview::kInternalEntryCount,

extensions/renderer/resources/web_view.js

@@ -292,7 +292,11 @@ WebViewInternal.prototype.validateExecuteCodeCall  = function() {
  */
 WebViewInternal.prototype.executeScript = function(var_args) {
   this.validateExecuteCodeCall();
-  var args = $Array.concat([this.guestInstanceId, this.src],
+  var webview_src = this.src;
+  if (this.baseUrlForDataUrl != '') {
+    webview_src = this.baseUrlForDataUrl;
+  }
+  var args = $Array.concat([this.guestInstanceId, webview_src],
                            $Array.slice(arguments));
   $Function.apply(WebView.executeScript, null, args);
 };
@@ -302,7 +306,11 @@ WebViewInternal.prototype.executeScript = function(var_args) {
  */
 WebViewInternal.prototype.insertCSS = function(var_args) {
   this.validateExecuteCodeCall();
-  var args = $Array.concat([this.guestInstanceId, this.src],
+  var webview_src = this.src;
+  if (this.baseUrlForDataUrl != '') {
+    webview_src = this.baseUrlForDataUrl;
+  }
+  var args = $Array.concat([this.guestInstanceId, webview_src],
                            $Array.slice(arguments));
   $Function.apply(WebView.insertCSS, null, args);
 };
@@ -726,7 +734,9 @@ WebViewInternal.prototype.setupEventProperty = function(eventName) {
 
 // Updates state upon loadcommit.
 WebViewInternal.prototype.onLoadCommit = function(
-    currentEntryIndex, entryCount, processId, url, isTopLevel) {
+    baseUrlForDataUrl, currentEntryIndex, entryCount,
+    processId, url, isTopLevel) {
+  this.baseUrlForDataUrl = baseUrlForDataUrl;
   this.currentEntryIndex = currentEntryIndex;
   this.entryCount = entryCount;
   this.processId = processId;

extensions/renderer/resources/web_view_events.js

@@ -302,7 +302,8 @@ WebViewEvents.prototype.handleLoadAbortEvent = function(event, webViewEvent) {
 };
 
 WebViewEvents.prototype.handleLoadCommitEvent = function(event, webViewEvent) {
-  this.webViewInternal.onLoadCommit(event.currentEntryIndex, event.entryCount,
+  this.webViewInternal.onLoadCommit(event.baseUrlForDataUrl,
+                                    event.currentEntryIndex, event.entryCount,
                                     event.processId, event.url,
                                     event.isTopLevel);
   this.webViewInternal.dispatchEvent(webViewEvent);