HTTP→HTTPS in content/

I noticed one case in the README.md and figured that I should fix them
all.

Change-Id: I7c48a7a178ed377073c8e49a1884c961e8075053
Reviewed-on: https://chromium-review.googlesource.com/872194
Commit-Queue: Adam Langley <agl@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532291}

content/README.md

@@ -2,7 +2,7 @@ Content is the core code needed to render a page using a multi-process sandboxed
 browser.
 
 Developer documentation:
-http://www.chromium.org/developers/content-module
+https://www.chromium.org/developers/content-module
 
 Internal Documentation:
 

content/browser/frame_host/navigation_controller_impl.cc

@@ -918,7 +918,7 @@ bool NavigationControllerImpl::RendererDidNavigate(
   // record the time.
   //
   // TODO(akalin): Use "sane time" as described in
-  // http://www.chromium.org/developers/design-documents/sane-time .
+  // https://www.chromium.org/developers/design-documents/sane-time .
   base::Time timestamp =
       time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
   DVLOG(1) << "Navigation finished at (smoothed) timestamp "

content/browser/renderer_host/render_view_host_impl.h

@@ -60,7 +60,7 @@ class TimeoutMonitor;
 // (if frame specific) or WebContentsImpl (if page specific).
 //
 // For context, please see https://crbug.com/467770 and
-// http://www.chromium.org/developers/design-documents/site-isolation.
+// https://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
                                           public RenderWidgetHostOwnerDelegate,
                                           public RenderProcessHostObserver {

content/public/README

 Content API design:
-http://www.chromium.org/developers/content-module/content-api
+https://www.chromium.org/developers/content-module/content-api
 

content/public/browser/render_view_host.h

@@ -56,7 +56,7 @@ struct WebPreferences;
 // WebContents (if it's page specific).
 //
 // For context, please see https://crbug.com/467770 and
-// http://www.chromium.org/developers/design-documents/site-isolation.
+// https://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewHost : public IPC::Sender {
  public:
   // Returns the RenderViewHost given its ID and the ID of its render process.

content/public/browser/web_contents.h

@@ -91,7 +91,7 @@ struct RendererPreferences;
 //
 // That's it; go to your kitchen, grab a scone, and chill. WebContents will do
 // all the multi-process stuff behind the scenes. More details are at
-// http://www.chromium.org/developers/design-documents/multi-process-architecture
+// https://www.chromium.org/developers/design-documents/multi-process-architecture
 // .
 //
 // Each WebContents has exactly one NavigationController; each

content/public/common/content_switches.cc

@@ -423,10 +423,10 @@ const char kEnableSandboxLogging[]          = "enable-sandbox-logging";
 const char kEnableSkiaBenchmarking[]        = "enable-skia-benchmarking";
 
 // Enables slimming paint phase 1.75:
-// http://www.chromium.org/blink/slimming-paint
+// https://www.chromium.org/blink/slimming-paint
 const char kEnableSlimmingPaintV175[] = "enable-slimming-paint-v175";
 
-// Enables slimming paint phase 2: http://www.chromium.org/blink/slimming-paint
+// Enables slimming paint phase 2: https://www.chromium.org/blink/slimming-paint
 const char kEnableSlimmingPaintV2[]         = "enable-slimming-paint-v2";
 
 // On platforms that support it, enables smooth scroll animation.
@@ -682,7 +682,7 @@ const char kPpapiStartupDialog[]            = "ppapi-startup-dialog";
 // consolidates same-site pages so that they share a single process.
 //
 // More details here:
-// - http://www.chromium.org/developers/design-documents/process-models
+// - https://www.chromium.org/developers/design-documents/process-models
 // - The class comment in site_instance.h, listing the supported process models.
 //
 // IMPORTANT: This isn't to be confused with --site-per-process (which is about
@@ -780,8 +780,8 @@ const char kSingleProcess[]                 = "single-process";
 //  * <iframe>s are rendered out-of-process whenever the src= is cross-site.
 //
 // More details here:
-// - http://www.chromium.org/developers/design-documents/site-isolation
-// - http://www.chromium.org/developers/design-documents/process-models
+// - https://www.chromium.org/developers/design-documents/site-isolation
+// - https://www.chromium.org/developers/design-documents/process-models
 // - The class comment in site_instance.h, listing the supported process models.
 //
 // IMPORTANT: this isn't to be confused with --process-per-site (which is about

content/public/renderer/render_view.h

@@ -38,7 +38,7 @@ struct WebPreferences;
 // New code should be added to RenderFrame instead.
 //
 // For context, please see https://crbug.com/467770 and
-// http://www.chromium.org/developers/design-documents/site-isolation.
+// https://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderView : public IPC::Sender {
  public:
   // Returns the RenderView containing the given WebView.

content/renderer/render_view_impl.h

@@ -107,7 +107,7 @@ class CreateViewParams;
 // project. New code should be added to RenderFrameImpl instead.
 //
 // For context, please see https://crbug.com/467770 and
-// http://www.chromium.org/developers/design-documents/site-isolation.
+// https://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewImpl : public RenderWidget,
                                       public blink::WebViewClient,
                                       public RenderWidgetOwnerDelegate,